%I
%S 1,1,2,3,5,7,11,14,20,26,35,44,58,71,90,110,136,163,199,235,282,331,
%T 391,454,532,612,709,811,931,1057,1206,1360,1540,1729,1945,2172,2432,
%U 2702,3009,3331,3692,4070,4494,4935,5426,5940,6506,7097,7748,8423
%N Number of combinations for the sum of 6 different numbers from 1 to 49.
%H Jacques ALARDET, <a href="/A234666/b234666.txt">Table of n, a(n) for n = 21..279</a>
%e a(21)=1 because the only way to sum to 21 is 1+2+3+4+5+6=21; a(279)=1 because 279 occurs only as 49+48+47+46+45+44.
%Y A026812 contains the same values until A026812(49)=4935.
%K nonn,fini,full
%O 21,3
%A _Jacques ALARDET_, Dec 29 2013
