A383992 - cp's OEIS frontend

A383992 Series expansion of the exponential generating function exp(arbustive(x)) - 1 where arbustive(x) = (log(1+x) - x^2) / (1+x).

n	a(n)
0	0
1	1
2	-4
3	3
4	40
5	-330
6	1626
7	-3150
8	-54592
9	1060920
10	-13022280
11	127171440
12	-889086648
13	-283184616
14	179750627616
15	-4895777544840
16	99124001788800
17	-1721513264431680
18	25736021675994816
19	-292896125040673728
20	639149345262276480
21	106178474282318726400

[0, 1, -4, 3, 40, -330, 1626, -3150, -54592, 1060920, -13022280, 127171440, -889086648, -283184616, 179750627616, -4895777544840, 99124001788800, -1721513264431680, 25736021675994816, -292896125040673728, 639149345262276480, 106178474282318726400]

cp's OEIS Frontend

A383992 Series expansion of the exponential generating function exp(arbustive(x)) - 1 where arbustive(x) = (log(1+x) - x^2) / (1+x).

Table of values

List of values