A316778 - cp's OEIS frontend

A316778 a(n) = exp(-1/2) * Sum_{k>=0} H_n(k) / (k!*2^k), where H_n(x) is n-th Hermite polynomial.

n	a(n)
0	1
1	1
2	1
3	5
4	25
5	97
6	489
7	3285
8	22481
9	160737
10	1293041
11	11348933
12	105136937
13	1033279873
14	10808289561
15	119401994709
16	1385242479137
17	16846680046657
18	214333419288161
19	2844927602028549
20	39305588104667321
21	564208058072724257
22	8400178767847987401
23	129509650839484638037

[1, 1, 1, 5, 25, 97, 489, 3285, 22481, 160737, 1293041, 11348933, 105136937, 1033279873, 10808289561, 119401994709, 1385242479137, 16846680046657, 214333419288161, 2844927602028549, 39305588104667321, 564208058072724257, 8400178767847987401, 129509650839484638037]

cp's OEIS Frontend

A316778 a(n) = exp(-1/2) * Sum_{k>=0} H_n(k) / (k!*2^k), where H_n(x) is n-th Hermite polynomial.

Table of values

List of values