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.

A065979 Binomial transform of A002024.

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%I A065979 #8 Sep 01 2013 03:38:59
%S A065979 1,3,7,16,36,79,170,362,767,1619,3402,7112,14797,30673,63427,130951,
%T A065979 270031,556111,1143537,2347476,4810758,9843932,20118655,41081297,
%U A065979 83832648,170987463,348581862,710242310,1446198858
%N A065979 Binomial transform of A002024.
%D A065979 R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 97.
%H A065979 F. Ellermann, <a href="/A001792/a001792.txt">Illustration of binomial transforms</a>
%H A065979 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%o A065979 (PARI) rep(n) = floor(1/2 + sqrt(2*n)); /* A002024 */
%o A065979 a(n) = sum(k = 0, n-1, binomial(n-1, k) * rep(k+1)); \\ _Michel Marcus_, Aug 31 2013
%Y A065979 Cf. A001792, A002024.
%K A065979 easy,nonn
%O A065979 1,2
%A A065979 Robert A. Stump (bee_ess107(AT)yahoo.com), Dec 09 2001