A343830 - cp's OEIS frontend

A343830 a(n) = numerator of (1/e) * Sum_{a_1>=1, a_2>=1, ... , a_n>=1} a_1 * a_2 * ... * a_n / (a_1 + a_2 + ... + a_n)!.

n	a(n)
1	1
2	2
3	31
4	179
5	787
6	6631
7	2456299
8	33235913
9	158433901
10	17980176031
11	2794938616471
12	8546650588601
13	5595650767265101
14	35480190026972501
15	15523069639558351459
16	455264603021602214213
17	57023540590242398853649
18	949437664962426221725789
19	5469912218467062529961407

[1, 2, 31, 179, 787, 6631, 2456299, 33235913, 158433901, 17980176031, 2794938616471, 8546650588601, 5595650767265101, 35480190026972501, 15523069639558351459, 455264603021602214213, 57023540590242398853649, 949437664962426221725789, 5469912218467062529961407]

cp's OEIS Frontend

A343830 a(n) = numerator of (1/e) * Sum_{a_1>=1, a_2>=1, ... , a_n>=1} a_1 * a_2 * ... * a_n / (a_1 + a_2 + ... + a_n)!.

Table of values

List of values