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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.

A228193 G.f.: exp( Sum_{n>=1} A001850(n^2)*x^n/n ), where A001850 forms the central Delannoy numbers.

Table of values

n a(n)
0 1
1 3
2 165
3 488007
4 63015285321
5 313849204040245803
6 57549960579131376060801997
7 379048169979935686476204047966170767
8 88353684521579654155696728418892273040483607185
9 721871639878336367921338532273490438662977816273231098545619

List of values

[1, 3, 165, 488007, 63015285321, 313849204040245803, 57549960579131376060801997, 379048169979935686476204047966170767, 88353684521579654155696728418892273040483607185, 721871639878336367921338532273490438662977816273231098545619]

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

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