A291504 - cp's OEIS frontend

A291504 Number of permutations s_1,s_2,...,s_n of 1,2,...,n such that for all j=1,2,...,n, Sum_{i=1..j} s_i is not a prime.

n	a(n)
0	1
1	1
2	0
3	1
4	3
5	8
6	48
7	206
8	1838
9	13336
10	133764
11	1081556
12	11046816
13	108196128
14	1555323224
15	16279258144
16	289771660328
17	3495882548784
18	66923393467216
19	942785369844048
20	15625264115770992
21	315553823251866304
22	5974132307015712032
23	104979988889030774848

[1, 1, 0, 1, 3, 8, 48, 206, 1838, 13336, 133764, 1081556, 11046816, 108196128, 1555323224, 16279258144, 289771660328, 3495882548784, 66923393467216, 942785369844048, 15625264115770992, 315553823251866304, 5974132307015712032, 104979988889030774848]

cp's OEIS Frontend

A291504 Number of permutations s_1,s_2,...,s_n of 1,2,...,n such that for all j=1,2,...,n, Sum_{i=1..j} s_i is not a prime.

Table of values

List of values