A355165 - cp's OEIS frontend

A355165 a(n) = exp(-1/4) * Sum_{k>=0} (4k + 2)^n / (4^k k!).

n	a(n)
0	1
1	3
2	13
3	79
4	601
5	5339
6	53861
7	607527
8	7560625
9	102637235
10	1506225085
11	23726435583
12	398852249097
13	7120170905995
14	134408217821205
15	2673140092099543
16	55832167947587425
17	1221199519275467107
18	27902127744298836845
19	664446811342185649583
20	16457968670922936733113
21	423242969435491221774907

[1, 3, 13, 79, 601, 5339, 53861, 607527, 7560625, 102637235, 1506225085, 23726435583, 398852249097, 7120170905995, 134408217821205, 2673140092099543, 55832167947587425, 1221199519275467107, 27902127744298836845, 664446811342185649583, 16457968670922936733113, 423242969435491221774907]

cp's OEIS Frontend

A355165 a(n) = exp(-1/4) * Sum_{k>=0} (4k + 2)^n / (4^k k!).

Table of values

List of values

cp's OEIS Frontend

A355165 a(n) = exp(-1/4) * Sum_{k>=0} (4*k + 2)^n / (4^k * k!).

Table of values

List of values

A355165 a(n) = exp(-1/4) * Sum_{k>=0} (4k + 2)^n / (4^k k!).