A375046 - cp's OEIS frontend

A375046 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) = x+2. See Comments.

n	a(n)
1	3
2	1
3	12
4	7
5	1
6	72
7	54
8	13
9	1
10	720
11	612
12	184
13	23
14	1
15	12960
16	11736
17	3924
18	598
19	41
20	1
21	440640
22	411984
23	145152
24	24256
25	1992
26	75
27	1
28	29082240
29	27631584
30	9992016
31	1746048
32	155728
33	6942
34	141
35	1
36	3780691200
37	3621188160
38	1326593664
39	236978256
40	21990688
41	1058188

[3, 1, 12, 7, 1, 72, 54, 13, 1, 720, 612, 184, 23, 1, 12960, 11736, 3924, 598, 41, 1, 440640, 411984, 145152, 24256, 1992, 75, 1, 29082240, 27631584, 9992016, 1746048, 155728, 6942, 141, 1, 3780691200, 3621188160, 1326593664, 236978256, 21990688, 1058188]

cp's OEIS Frontend

A375046 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) = x+2. See Comments.

Table of values

List of values