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.

A038739 T(n,n-2), array T as in A038738.

Original entry on oeis.org

1, 7, 30, 103, 314, 895, 2455, 6590, 17480, 46070, 121016, 317342, 831465, 2177613, 5702054, 14929365, 39087010, 102332805, 267912735, 701406940, 1836309856, 4807524652, 12586266400, 32951277148, 86267567969, 225851430035
Offset: 2

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Author

Clark Kimberling, May 02 2000

Keywords

Programs

Formula

Sixth diagonal of array defined by T(i, 1)=T(1, j)=1, T(i, j)=Max(T(i-1, j)+T(i-1, j-1); T(i-1, j-1)+T(i, j-1)) - Benoit Cloitre, Aug 05 2003
G.f.: x^2/[(1-3x+x^2)(1-x)^4].
a(n) = Sum_{k=0..n}(binomial(n+3,k+4)*Fibonacci(k)). - Vladimir Kruchinin, Oct 24 2016