A292757 - cp's OEIS frontend

A292757 Expansion of e.g.f. exp(x)(1+tan(x))/((1-tan(x))(tan(x)+sec(x))).

n	a(n)
0	1
1	2
2	4
3	15
4	72
5	467
6	3534
7	31675
8	321832
9	3692927
10	46988914
11	658330035
12	10056866292
13	166476324887
14	2967375285294
15	56673879465595
16	1154538708267952
17	24990204586402847
18	572731801523141674
19	13855288923332516355
20	352821804274904668812
21	9433763230045116440807
22	264251645557758720762054

[1, 2, 4, 15, 72, 467, 3534, 31675, 321832, 3692927, 46988914, 658330035, 10056866292, 166476324887, 2967375285294, 56673879465595, 1154538708267952, 24990204586402847, 572731801523141674, 13855288923332516355, 352821804274904668812, 9433763230045116440807, 264251645557758720762054]

cp's OEIS Frontend

A292757 Expansion of e.g.f. exp(x)(1+tan(x))/((1-tan(x))(tan(x)+sec(x))).

Table of values

List of values

cp's OEIS Frontend

A292757 Expansion of e.g.f. exp(x)*(1+tan(x))/((1-tan(x))*(tan(x)+sec(x))).

Table of values

List of values

A292757 Expansion of e.g.f. exp(x)(1+tan(x))/((1-tan(x))(tan(x)+sec(x))).