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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.

A385474 Expansion of (1/x) * Series_Reversion( x * (1-2*x)^2 / (1+x)^3 ).

Table of values

n a(n)
0 1
1 7
2 76
3 991
4 14281
5 219172
6 3512440
7 58096591
8 984340003
9 16996883887
10 298017184048
11 5291703108292
12 94961611382860
13 1719543577996888
14 31379622840361696
15 576519956457976495
16 10655055147825932119
17 197959348525977645781
18 3695112941037246866044

List of values

[1, 7, 76, 991, 14281, 219172, 3512440, 58096591, 984340003, 16996883887, 298017184048, 5291703108292, 94961611382860, 1719543577996888, 31379622840361696, 576519956457976495, 10655055147825932119, 197959348525977645781, 3695112941037246866044]

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

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