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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.

A245245 a(n) = C(3*n^2, n^2).

Table of values

n a(n)
0 1
1 3
2 495
3 4686825
4 2254848913647
5 52588547141148893628
6 58152371703925106867047535565
7 3012179439602547459232394950891834843500
8 7255167425905233148164780983569428433097979870294255
9 808718755397067598640202627155266231883064669446721506930287016061

List of values

[1, 3, 495, 4686825, 2254848913647, 52588547141148893628, 58152371703925106867047535565, 3012179439602547459232394950891834843500, 7255167425905233148164780983569428433097979870294255, 808718755397067598640202627155266231883064669446721506930287016061]

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

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