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.

A379206 Central terms of triangle A379200; a(n) = A379200(2*n-1,n-1) for n >= 1.

Table of values

n a(n)
1 1
2 4
3 52
4 1004
5 24540
6 693528
7 21365548
8 694033712
9 23369007288
10 808414759404
11 28582681491280
12 1029170281603296
13 37633688114705676
14 1394397634883242504
15 52252719103306019248
16 1977346544751795430944
17 75468918458797503960180
18 2902157847756806886385760
19 112350085062188369503742656

List of values

[1, 4, 52, 1004, 24540, 693528, 21365548, 694033712, 23369007288, 808414759404, 28582681491280, 1029170281603296, 37633688114705676, 1394397634883242504, 52252719103306019248, 1977346544751795430944, 75468918458797503960180, 2902157847756806886385760, 112350085062188369503742656]

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

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