A009578 - cp's OEIS frontend

A009578 E.g.f. sinh(log(1+x))/exp(x). Unsigned sequence gives degrees of (finite by nilpotent) representations of Braid groups.

n	a(n)
0	0
1	1
2	-3
3	9
4	-34
5	165
6	-981
7	6853
8	-54804
9	493209
10	-4932055
11	54252561
12	-651030678
13	8463398749
14	-118487582409
15	1777313736045
16	-28437019776616
17	483429336202353
18	-8701728051642219
19	165332832981202009
20	-3306656659624040010

[0, 1, -3, 9, -34, 165, -981, 6853, -54804, 493209, -4932055, 54252561, -651030678, 8463398749, -118487582409, 1777313736045, -28437019776616, 483429336202353, -8701728051642219, 165332832981202009, -3306656659624040010]

cp's OEIS Frontend

A009578 E.g.f. sinh(log(1+x))/exp(x). Unsigned sequence gives degrees of (finite by nilpotent) representations of Braid groups.

Table of values

List of values