A173049 - cp's OEIS frontend

A173049 Triangle T(n, k) = [x^k](p(x, n, q)) where p(x,n,q) = Product_{j=1..n} (x + q^j) + Product_{j=1..n} (x*q^j + 1), p(x, 0, q) = 1, and q = 3, read by rows.

n	a(n)
0	1
1	4
2	4
3	28
4	24
5	28
6	730
7	390
8	390
9	730
10	59050
11	29280
12	7020
13	29280
14	59050
15	14348908
16	7145292
17	914760
18	914760
19	7145292
20	14348908
21	10460353204
22	5223003240
23	650485836
24	49397040
25	650485836
26	5223003240
27	10460353204
28	22876792454962
29	11433166054158
30	1427188022442
31	55340738838
32	55340738838
33	1427188022442
34	11433166054158
35	22876792454962

[1, 4, 4, 28, 24, 28, 730, 390, 390, 730, 59050, 29280, 7020, 29280, 59050, 14348908, 7145292, 914760, 914760, 7145292, 14348908, 10460353204, 5223003240, 650485836, 49397040, 650485836, 5223003240, 10460353204, 22876792454962, 11433166054158, 1427188022442, 55340738838, 55340738838, 1427188022442, 11433166054158, 22876792454962]

cp's OEIS Frontend

A173049 Triangle T(n, k) = [x^k](p(x, n, q)) where p(x,n,q) = Product_{j=1..n} (x + q^j) + Product_{j=1..n} (x*q^j + 1), p(x, 0, q) = 1, and q = 3, read by rows.

Table of values

List of values