A217502 - cp's OEIS frontend

A217502 E.g.f.: exp(sec(x)-1) = 1 + Sum_{n>0} a(n)x^(2n)/(2*n)!.

n	a(n)
0	1
1	1
2	8
3	151
4	5123
5	271396
6	20605133
7	2116186801
8	282013329788
9	47257934281891
10	9716069206252163
11	2402866414155189016
12	703288162788887287433
13	240323111593250975343601
14	94776477297941909597367248
15	42710529437686482677512782271

[1, 1, 8, 151, 5123, 271396, 20605133, 2116186801, 282013329788, 47257934281891, 9716069206252163, 2402866414155189016, 703288162788887287433, 240323111593250975343601, 94776477297941909597367248, 42710529437686482677512782271]

cp's OEIS Frontend

A217502 E.g.f.: exp(sec(x)-1) = 1 + Sum_{n>0} a(n)x^(2n)/(2*n)!.

Table of values

List of values

cp's OEIS Frontend

A217502 E.g.f.: exp(sec(x)-1) = 1 + Sum_{n>0} a(n)*x^(2*n)/(2*n)!.

Table of values

List of values

A217502 E.g.f.: exp(sec(x)-1) = 1 + Sum_{n>0} a(n)x^(2n)/(2*n)!.