A243054 - cp's OEIS frontend

A243054 a(0)=1, and for n >= 1, a(n) = p_n * A002110(n) / 2, where p_n is the n-th prime.

n	a(n)
0	1
1	2
2	9
3	75
4	735
5	12705
6	195195
7	4339335
8	92147055
9	2565568005
10	93810551835
11	3108687597015
12	137283655493985
13	6237130402307805
14	281279368630905645
15	14449909890829548135
16	863612699645536185345
17	56721430329549272852565
18	3577295631461912614989735
19	263253771961188946371949515

[1, 2, 9, 75, 735, 12705, 195195, 4339335, 92147055, 2565568005, 93810551835, 3108687597015, 137283655493985, 6237130402307805, 281279368630905645, 14449909890829548135, 863612699645536185345, 56721430329549272852565, 3577295631461912614989735, 263253771961188946371949515]

cp's OEIS Frontend

A243054 a(0)=1, and for n >= 1, a(n) = p_n * A002110(n) / 2, where p_n is the n-th prime.

Table of values

List of values