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 A135964 a(n) = binomial(floor(n*sqrt(2)),n) for n>=0. 3
 1, 1, 1, 4, 5, 21, 28, 36, 165, 220, 1001, 1365, 1820, 8568, 11628, 54264, 74613, 346104, 480700, 657800, 3108105, 4292145, 20160075, 28048800, 38567100, 183579396, 254186856, 1203322288, 1676056044, 7898654920, 11058116888 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS G. C. Greubel, Table of n, a(n) for n = 0..1000 MATHEMATICA Table[Binomial[Floor[n*Sqrt[2]], n], {n, 0, 50}] (* G. C. Greubel, Aug 17 2018 *) PROG (PARI) a(n)=binomial(floor(n*sqrt(2)), n) (MAGMA) [Binomial(Floor(n*Sqrt(2)), n): n in [0..50]]; // G. C. Greubel, Aug 17 2018 CROSSREFS Cf. A135965. Sequence in context: A057781 A081713 A120697 * A099578 A109452 A232665 Adjacent sequences:  A135961 A135962 A135963 * A135965 A135966 A135967 KEYWORD nonn AUTHOR Paul D. Hanna, Dec 11 2007 STATUS approved

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Last modified September 25 22:55 EDT 2020. Contains 337346 sequences. (Running on oeis4.)