cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A035776 Coordination sequence for C_39 lattice.

Original entry on oeis.org

1, 3042, 1544322, 314835170, 34608828930, 2388631358178, 113694451659906, 3979111519381986, 107295791104411650, 2310089623221009890, 40848260232482733186, 606946694349068289762, 7722883730528961651202
Offset: 0

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Author

Joan Serra-Sagrista (jserra(AT)ccd.uab.es)

Keywords

Crossrefs

Cf. A035734.

Programs

  • Maple
    seq(coeff(series(((1+x)/(1-x))^39, x,n+1),x,n),n=0..30,2); # Muniru A Asiru, Aug 12 2018

Formula

a(n) = [x^(2n)] ((1+x)/(1-x))^39.

Extensions

Recomputed by N. J. A. Sloane, Nov 25 1998
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