A193467 - cp's OEIS frontend

A193467 E.g.f.: Sum_{n>=0} x^n * exp(n(n+1)/2x).

n	a(n)
0	1
1	1
2	4
3	27
4	280
5	4025
6	75876
7	1800253
8	52193408
9	1807302897
10	73406128420
11	3446236588421
12	184750419871920
13	11194423784630281
14	759960096829452260
15	57367378069894391325
16	4783586470578255085696
17	438054092182322814028001
18	43827052650093379145736900

[1, 1, 4, 27, 280, 4025, 75876, 1800253, 52193408, 1807302897, 73406128420, 3446236588421, 184750419871920, 11194423784630281, 759960096829452260, 57367378069894391325, 4783586470578255085696, 438054092182322814028001, 43827052650093379145736900]

cp's OEIS Frontend

A193467 E.g.f.: Sum_{n>=0} x^n * exp(n(n+1)/2x).

Table of values

List of values

cp's OEIS Frontend

A193467 E.g.f.: Sum_{n>=0} x^n * exp(n*(n+1)/2*x).

Table of values

List of values

A193467 E.g.f.: Sum_{n>=0} x^n * exp(n(n+1)/2x).