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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.

A362848 a(n) = Sum_{k=0..n} 4^k * Gamma(n + k + 1/2) / Gamma(n - k + 1/2). Row sums of A362847.

Table of values

n a(n)
0 1
1 4
2 121
3 11376
4 2165689
5 689873284
6 330204013569
7 221470234531456
8 198160750081637521
9 228040136335670652324
10 328106086348844570538409
11 577082259304437657893671984
12 1218130815379359944856599793801
13 3039062974890293661892991548863076

List of values

[1, 4, 121, 11376, 2165689, 689873284, 330204013569, 221470234531456, 198160750081637521, 228040136335670652324, 328106086348844570538409, 577082259304437657893671984, 1218130815379359944856599793801, 3039062974890293661892991548863076]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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