A118368 Largest number that is not the sum of four (2n+1)-gonal numbers.

0, 89, 1003, 2894, 4765, 6906, 14057, 22296, 34913, 51301, 60551, 72335, 100206, 123097, 148830, 184931, 244253, 273883, 291741, 332935, 405859, 490767, 546709, 749357, 672419, 826463, 849211, 1009749, 988071, 1128245, 1251029, 1588435

Offset: 1

Author

T. D. Noe, Apr 25 2006

Keywords

• nonn

Comments

See A118367 for the largest number that is not the sum of five n-gonal numbers. Sequence A118280 has the conjectured bounds for three (2n+1)-gonal numbers.

Extensions

a(26)-a(32) from Donovan Johnson, Apr 17 2010