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 A223708 Nonzero terms in A107628; related to quadratic forms ax^2 + bxy + cy^2. 2
 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 3, 2, 1, 2, 3, 2, 2, 2, 3, 3, 2, 2, 3, 2, 1, 3, 4, 2, 2, 2, 3, 3, 2, 4, 4, 2, 2, 2, 5, 4, 2, 2, 3, 4, 2, 2, 5, 2, 2, 4, 6, 4, 2, 2, 3, 3, 3, 4, 4, 3, 2, 4, 6, 3, 2, 2, 4, 4, 3, 3, 6, 4, 1, 5, 6, 4, 3, 2, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,7 LINKS T. D. Noe, Table of n, a(n) for n = 1..5000 CROSSREFS Cf. A107628. Sequence in context: A218541 A213911 A081355 * A060778 A096492 A343856 Adjacent sequences: A223705 A223706 A223707 * A223709 A223710 A223711 KEYWORD nonn AUTHOR T. D. Noe, Apr 09 2013 STATUS approved

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Last modified December 8 14:30 EST 2023. Contains 367679 sequences. (Running on oeis4.)