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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.

A370798 Expansion of (1/x) * Series_Reversion( x/(x+1/(1-x-x^4)) ).

Table of values

n a(n)
0 1
1 2
2 5
3 15
4 52
5 200
6 824
7 3549
8 15745
9 71343
10 328537
11 1532838
12 7230341
13 34425026
14 165230211
15 798643501
16 3884110353
17 18993027790
18 93325418867
19 460562269745
20 2281769792691
21 11344607718373
22 56585135577335
23 283067227288767
24 1419859530338142
25 7139644680794750

List of values

[1, 2, 5, 15, 52, 200, 824, 3549, 15745, 71343, 328537, 1532838, 7230341, 34425026, 165230211, 798643501, 3884110353, 18993027790, 93325418867, 460562269745, 2281769792691, 11344607718373, 56585135577335, 283067227288767, 1419859530338142, 7139644680794750]

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

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