A005447 - cp's OEIS frontend

A005447 Numerators of the expansion of -W_{-1}(-e^(-1 - x^2/2)) where x > 0 and W_{-1} is the Lambert W function.

n	a(n)
0	1
1	1
2	1
3	1
4	-1
5	1
6	1
7	-139
8	1
9	-571
10	-281
11	163879
12	-5221
13	5246819
14	5459
15	-534703531
16	91207079
17	-4483131259
18	-2650986803
19	432261921612371
20	-6171801683
21	6232523202521089
22	4283933145517
23	-25834629665134204969
24	11963983648109

[1, 1, 1, 1, -1, 1, 1, -139, 1, -571, -281, 163879, -5221, 5246819, 5459, -534703531, 91207079, -4483131259, -2650986803, 432261921612371, -6171801683, 6232523202521089, 4283933145517, -25834629665134204969, 11963983648109]

cp's OEIS Frontend

A005447 Numerators of the expansion of -W_{-1}(-e^(-1 - x^2/2)) where x > 0 and W_{-1} is the Lambert W function.

Table of values

List of values