%I #4 Dec 05 2013 19:55:39
%S 2,9,16,55,78,112,232,342,420,605,852,1053,1330,1650,2144,2601,3168,
%T 3534,4420,5229,5984,6670,7440,8950,10478,11232,12712,13775,15510,
%U 17236,19200,20526,22780,26040,27756,29896,32452,35958,39120,41533,45570
%N Sums of groups in A075643.
%C a(n) is a multiple of (n+1).
%Y Cf. A075643, A075644, A075646, A075647.
%K nonn
%O 1,1
%A _Amarnath Murthy_, Sep 30 2002
%E More terms from _David Wasserman_, Jan 22 2005