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A118279 Conjectured number of numbers that are not the sum of three n-gonal numbers, or -1 if infinite. 10
0, -1, 210, 638, 1348, -1, 5282, 7687, 12453, -1, 24813, -1, 45338, -1, 63702, 84764, 109613, -1, 162687, 155879, 224244, -1, 303049, -1, 353690, -1, 522262, 541796, 651844, -1, 817053 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

COMMENTS

See A118278 for the conjectured largest number that is not the sum of three n-gonal numbers.

LINKS

Table of n, a(n) for n=3..33.

CROSSREFS

Cf. A118278-A118285.

Sequence in context: A121479 A235921 A236432 * A163263 A009127 A158559

Adjacent sequences:  A118276 A118277 A118278 * A118280 A118281 A118282

KEYWORD

sign

AUTHOR

T. D. Noe, Apr 21 2006

EXTENSIONS

a(22)-a(33) from Donovan Johnson, Apr 17 2010

STATUS

approved

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Last modified November 13 11:09 EST 2018. Contains 317133 sequences. (Running on oeis4.)