A075645 Sums of groups in A075643.

2, 9, 16, 55, 78, 112, 232, 342, 420, 605, 852, 1053, 1330, 1650, 2144, 2601, 3168, 3534, 4420, 5229, 5984, 6670, 7440, 8950, 10478, 11232, 12712, 13775, 15510, 17236, 19200, 20526, 22780, 26040, 27756, 29896, 32452, 35958, 39120, 41533, 45570

Offset: 1

Author

Amarnath Murthy, Sep 30 2002

Keywords

• nonn

Comments

a(n) is a multiple of (n+1).

Crossrefs

Cf. A075643, A075644, A075646, A075647.

Extensions

More terms from David Wasserman, Jan 22 2005