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A118426 Values of n such that no solutions (x, y, z) to n = x^2 + (2y)^2 + z(z+1)/2 are zerofree. 3
1, 2, 3, 4, 7, 10, 12, 22, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Square-Triangle Theorem
CROSSREFS
Sequence in context: A104519 A321684 A117220 * A082008 A105330 A097545
KEYWORD
nonn,fini,more
AUTHOR
Eric W. Weisstein, Apr 27 2006
STATUS
approved

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Last modified July 21 11:45 EDT 2024. Contains 374472 sequences. (Running on oeis4.)