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A321436 Expansion of Product_{1 <= i <= j} (1 - x^(i^2 + j^2)). 4
1, 0, -1, 0, 0, -1, 0, 1, -1, 0, 0, 0, 1, 0, 0, 1, 0, -2, 1, 1, -2, 1, 2, 0, -1, 0, -1, 0, 2, -2, 1, 1, -4, 0, 3, -1, -1, 3, -2, -1, 0, -4, 5, 2, -3, 2, 3, -5, -3, 6, -3, -1, 0, -2, 1, 1, 0, 2, 7, -7, 0, 7, -9, -2, 4, -3, 2, 6, -9, 2, 12, -12, 1, 9, -11, -3, 7, 0, -1, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,18
LINKS
FORMULA
G.f.: Product_{k>0} (1 - x^k)^A025426(k).
CROSSREFS
Sequence in context: A318665 A057856 A117939 * A276167 A105522 A131774
KEYWORD
sign
AUTHOR
Seiichi Manyama, Nov 09 2018
STATUS
approved

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Last modified March 19 02:49 EDT 2024. Contains 370952 sequences. (Running on oeis4.)