A375045 - cp's OEIS frontend

A375045 Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = 2^n and t(x) = 2x+1. See Comments.

n	a(n)
1	2
2	2
3	6
4	10
5	4
6	30
7	62
8	40
9	8
10	270
11	618
12	484
13	152
14	16
15	4590
16	11046
17	9464
18	3552
19	576
20	32
21	151470
22	373698
23	334404
24	136144
25	26112
26	2208
27	64
28	9845550
29	24593310
30	22483656
31	9518168
32	1969568
33	195744
34	8576
35	128
36	1270075950
37	3192228090
38	2949578244
39	1272810984

[2, 2, 6, 10, 4, 30, 62, 40, 8, 270, 618, 484, 152, 16, 4590, 11046, 9464, 3552, 576, 32, 151470, 373698, 334404, 136144, 26112, 2208, 64, 9845550, 24593310, 22483656, 9518168, 1969568, 195744, 8576, 128, 1270075950, 3192228090, 2949578244, 1272810984]

cp's OEIS Frontend

A375045 Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = 2^n and t(x) = 2x+1. See Comments.

Table of values

List of values