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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.

A301421 Sums of positive coefficients of generalized Chebyshev polynomials of the first kind, for a family of 6 data.

Table of values

n a(n)
1 1
2 6
3 46
4 371
5 3026
6 24707
7 201748
8 1647429
9 13452565
10 109850886
11 897019828
12 7324880157
13 59813470848
14 488424550081
15 3988374821616
16 32568251770049
17 265945672309613
18 2171657880797162
19 17733313387923690
20 144806604435722311
21 1182461068019218530
22 9655734852907204771

List of values

[1, 6, 46, 371, 3026, 24707, 201748, 1647429, 13452565, 109850886, 897019828, 7324880157, 59813470848, 488424550081, 3988374821616, 32568251770049, 265945672309613, 2171657880797162, 17733313387923690, 144806604435722311, 1182461068019218530, 9655734852907204771]

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

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