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A118368 Largest number that is not the sum of four (2n+1)-gonal numbers. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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.

LINKS

Table of n, a(n) for n=1..32.

CROSSREFS

Sequence in context: A158716 A093289 A103545 * A197399 A183321 A264253

Adjacent sequences:  A118365 A118366 A118367 * A118369 A118370 A118371

KEYWORD

nonn

AUTHOR

T. D. Noe, Apr 25 2006

EXTENSIONS

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

STATUS

approved

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Last modified August 8 18:58 EDT 2022. Contains 356016 sequences. (Running on oeis4.)