A034430 - cp's OEIS frontend

A034430 Convolution of A001147 (double factorial numbers) with itself.

n	a(n)
0	1
1	2
2	7
3	36
4	249
5	2190
6	23535
7	299880
8	4426065
9	74294010
10	1397669175
11	29123671500
12	665718201225
13	16560190196550
14	445300709428575
15	12869793995058000
16	397815487883438625
17	13095523164781307250
18	457362512442763302375
19	16890682269050394304500

[1, 2, 7, 36, 249, 2190, 23535, 299880, 4426065, 74294010, 1397669175, 29123671500, 665718201225, 16560190196550, 445300709428575, 12869793995058000, 397815487883438625, 13095523164781307250, 457362512442763302375, 16890682269050394304500]

cp's OEIS Frontend

A034430 Convolution of A001147 (double factorial numbers) with itself.

Table of values

List of values