A330810 a(n) is the largest number that can be expressed as the sum of three triangular numbers in exactly n ways.

53, 194, 470, 788, 1730, 2000, 2693, 4310, 6053, 6845, 10688, 11348, 13970, 12923, 20768, 17135, 27830, 26480, 36245, 31688, 37073, 39983, 57860, 46940, 49148, 68258, 62810, 66515, 76985, 73868, 82850, 123878, 87890, 119810, 111053, 118490, 118880, 119183

Offset

1,1

Comments

One or more of the three triangular numbers may be zeros. If it were required that the triangular numbers be positive, sequence A330811 would result.

Links

Table of n, a(n) for n=1..38.

Crossrefs

Cf. A000217, A002097, A060773, A061262, A063993, A064825, A071530, A111638, A258257, A258258, A330811.

Sequence in context: A061664 A008993 A142088 * A005146 A158644 A158656

Adjacent sequences: A330807 A330808 A330809 * A330811 A330812 A330813

Keyword

nonn

Author

Jon E. Schoenfield, Jan 01 2020

Status

approved