A330527 - cp's OEIS frontend

A330527 Expansion of e.g.f. Sum_{k>=1} (sec(x^k) + tan(x^k) - 1).

n	a(n)
1	1
2	3
3	8
4	41
5	136
6	1381
7	5312
8	70265
9	491776
10	5977561
11	40270592
12	1021246445
13	6249389056
14	135671657941
15	1919826163712
16	36481192888145
17	355897293438976
18	12422529973051441
19	121674189293944832
20	4514836332133978325

[1, 3, 8, 41, 136, 1381, 5312, 70265, 491776, 5977561, 40270592, 1021246445, 6249389056, 135671657941, 1919826163712, 36481192888145, 355897293438976, 12422529973051441, 121674189293944832, 4514836332133978325]

cp's OEIS Frontend

A330527 Expansion of e.g.f. Sum_{k>=1} (sec(x^k) + tan(x^k) - 1).

Table of values

List of values