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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.

A326283 G.f. A(x) satisfies: 1 = Sum_{n>=0} 3^n * ((1+x)^n - A(x))^n.

Table of values

n a(n)
0 1
1 1
2 3
3 60
4 1839
5 75006
6 3756681
7 221373108
8 14946242445
9 1135512643905
10 95807726020377
11 8887382719047009
12 899076658872459384
13 98527185014966618211
14 11629941100277822632476
15 1471364340776928876041874
16 198658352816171170123764339
17 28515062757712810453709971653
18 4336489052405032386983807856510
19 696570875522773511632334350536870

List of values

[1, 1, 3, 60, 1839, 75006, 3756681, 221373108, 14946242445, 1135512643905, 95807726020377, 8887382719047009, 899076658872459384, 98527185014966618211, 11629941100277822632476, 1471364340776928876041874, 198658352816171170123764339, 28515062757712810453709971653, 4336489052405032386983807856510, 696570875522773511632334350536870]

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

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