A284861 - cp's OEIS frontend

A284861 Triangle read by rows: T(n, k) = S2[3,1](n, k)k! with the Sheffer triangle S2[3,1] = (exp(x), exp(3x) -1) given in A282629.

n	a(n)
0	1
1	1
2	3
3	1
4	15
5	18
6	1
7	63
8	216
9	162
10	1
11	255
12	1890
13	3564
14	1944
15	1
16	1023
17	14760
18	52650
19	68040
20	29160
21	1
22	4095
23	109458
24	659340
25	1516320
26	1487160
27	524880
28	1
29	16383
30	790776
31	7578522
32	27624240
33	46539360
34	36741600
35	11022480
36	1
37	65535
38	5633730
39	82902204
40	450057384
41	1158993360
42	1535798880
43	1014068160
44	264539520

[1, 1, 3, 1, 15, 18, 1, 63, 216, 162, 1, 255, 1890, 3564, 1944, 1, 1023, 14760, 52650, 68040, 29160, 1, 4095, 109458, 659340, 1516320, 1487160, 524880, 1, 16383, 790776, 7578522, 27624240, 46539360, 36741600, 11022480, 1, 65535, 5633730, 82902204, 450057384, 1158993360, 1535798880, 1014068160, 264539520]

cp's OEIS Frontend

A284861 Triangle read by rows: T(n, k) = S2[3,1](n, k)k! with the Sheffer triangle S2[3,1] = (exp(x), exp(3x) -1) given in A282629.

Table of values

List of values

cp's OEIS Frontend

A284861 Triangle read by rows: T(n, k) = S2[3,1](n, k)*k! with the Sheffer triangle S2[3,1] = (exp(x), exp(3*x) -1) given in A282629.

Table of values

List of values

A284861 Triangle read by rows: T(n, k) = S2[3,1](n, k)k! with the Sheffer triangle S2[3,1] = (exp(x), exp(3x) -1) given in A282629.