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A321423 Expansion of 1/2 * Product_{0 <= i <= j} (1 + x^(i^2 + j^2)). 3
1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 4, 4, 4, 5, 6, 7, 7, 8, 10, 11, 12, 12, 14, 16, 17, 20, 22, 25, 27, 29, 33, 36, 39, 41, 46, 52, 56, 60, 65, 72, 79, 84, 91, 100, 109, 118, 125, 136, 147, 158, 172, 185, 201, 215, 232, 251, 269, 287, 306, 331, 357, 381, 406, 436, 469, 503 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,6
LINKS
FORMULA
G.f.: Product_{k>0} (1 + x^k)^A000161(k).
CROSSREFS
Sequence in context: A280168 A001156 A199119 * A035451 A363337 A304633
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Nov 09 2018
STATUS
approved

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)