A132852 - cp's OEIS frontend

A132852 Number of sequences {c(i), i=0..n} that form the initial terms of a self-convolution square of an integer sequence such that 0 < c(n) <= 2*c(n-1) for n>0 with c(0)=1.

n	a(n)
0	1
1	1
2	2
3	4
4	14
5	62
6	462
7	5380
8	105626
9	3440686
10	196429906
11	19603795552
12	3496015313038
13	1120368106124268
14	653253602487886098
15	697073727912597623594
16	1371575342274982257650434

[1, 1, 2, 4, 14, 62, 462, 5380, 105626, 3440686, 196429906, 19603795552, 3496015313038, 1120368106124268, 653253602487886098, 697073727912597623594, 1371575342274982257650434]

cp's OEIS Frontend

A132852 Number of sequences {c(i), i=0..n} that form the initial terms of a self-convolution square of an integer sequence such that 0 < c(n) <= 2*c(n-1) for n>0 with c(0)=1.

Table of values

List of values