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 A010759 Sum along upward diagonal of Pascal triangle from halfway point. 3
 1, 1, 1, 2, 4, 7, 7, 14, 26, 46, 51, 97, 176, 309, 365, 674, 1204, 2098, 2587, 4685, 8273, 14323, 18228, 32551, 56967, 98086, 127921, 226007, 392688, 672959, 895103, 1568062, 2708322, 4622488, 6249235, 10871723, 18683233, 31775031, 43551364 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..1000 FORMULA a(n) = Sum_{k=floor((n+2)/4)..floor(n/2)} binomial(n - k, k). - Seiichi Manyama, Feb 10 2022 PROG (PARI) a(n) = sum(k=(n+2)\4, n\2, binomial(n-k, k)); \\ Seiichi Manyama, Feb 10 2022 CROSSREFS Cf. A000045, A007318, A010754, A010755, A010758. Sequence in context: A025087 A291810 A178183 * A063034 A351745 A094541 Adjacent sequences: A010756 A010757 A010758 * A010760 A010761 A010762 KEYWORD nonn AUTHOR R. K. Guy STATUS approved

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Last modified December 8 03:15 EST 2023. Contains 367662 sequences. (Running on oeis4.)