These are the asymptotics of the sum of the powers of Pascal's triangles for powers between 2 to , 8 The asymtotics of n ----- \ 2 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n 1/2 0.5641895835477562869480794517 4 (1/n) / 1 1 5 21 399 \ |1 - --- + ------ + ------- - -------- - ---------| | 8 n 2 3 4 5| \ 128 n 1024 n 32768 n 262144 n / The asymtotics of n ----- \ 3 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n / 1 1 1 1 11 \ 0.367552596947861366340884333 8 |1 - --- + ----- + ----- + ------ + -------|/n | 3 n 2 3 4 5| \ 27 n 81 n 243 n 2187 n / The asymtotics of n ----- \ 4 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n (3/2) 0.25397454373696387914305321 16 (1/n) / 9 65 205 4779 48135 \ |1 - ---- + ------ + ------- + --------- - ----------| | 16 n 2 3 4 5| \ 512 n 8192 n 524288 n 8388608 n / The asymtotics of n ----- \ 5 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n / 4 7 2 3 112 \ 0.18124884334800559660450082 32 |1 - --- + ----- + ------ - ------- - -------| | 5 n 2 3 4 5| \ 25 n 125 n 3125 n 3125 n / / 2 / n / The asymtotics of n ----- \ 6 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n (5/2) 0.13201542623099540327200772 64 (1/n) / 25 1715 2905 157087 38920847 \ |1 - ---- + ------- - -------- - ---------- - ------------| | 24 n 2 3 4 5| \ 3456 n 82944 n 7962624 n 573308928 n / The asymtotics of n ----- \ 7 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n 0.097519473726265526957529725 128 / 9 38 50 81 1543 \ / 3 |1 - --- + ----- - ------ - ------- - --------| / n | 7 n 2 3 4 5| / \ 49 n 343 n 2401 n 16807 n / The asymtotics of n ----- \ 8 ) binomial(n, k) / ----- k = 0 up to order, 5, is equal to n (7/2) 0.072783919122571767633118288 256 (1/n) / 49 2289 21819 210357 28109823 \ |1 - ---- + ------- - -------- - ---------- - ------------| | 32 n 2 3 4 5| \ 2048 n 65536 n 8388608 n 268435456 n / Everything is rigorous, but the constants in front are non-rigorous (yet fairly reliable) estimates This took, 139.722, seconds of CPU time