A367749 - cp's OEIS frontend

A367749 E.g.f. satisfies A(x) = exp(x * (1 + x + x^2 + x^3) * A(x^4)).

n	a(n)
0	1
1	1
2	3
3	13
4	73
5	501
6	4051
7	37633
8	394353
9	4777993
10	62569891
11	893927541
12	13827333433
13	234241234813
14	4212828738483
15	80727388033321
16	1641227208417121
17	35581993575319953
18	810641581182744643
19	19416795485684156893
20	487647253209539939241

[1, 1, 3, 13, 73, 501, 4051, 37633, 394353, 4777993, 62569891, 893927541, 13827333433, 234241234813, 4212828738483, 80727388033321, 1641227208417121, 35581993575319953, 810641581182744643, 19416795485684156893, 487647253209539939241]

cp's OEIS Frontend

A367749 E.g.f. satisfies A(x) = exp(x * (1 + x + x^2 + x^3) * A(x^4)).

Table of values

List of values