A173048 - cp's OEIS frontend

A173048 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 = 2, read by rows.

n	a(n)
0	1
1	3
2	3
3	9
4	12
5	9
6	65
7	70
8	70
9	65
10	1025
11	990
12	560
13	990
14	1025
15	32769
16	31806
17	11160
18	11160
19	31806
20	32769
21	2097153
22	2064510
23	671832
24	178560
25	671832
26	2064510
27	2097153
28	268435457
29	266338558
30	87413592
31	12850368
32	12850368
33	87413592
34	266338558
35	268435457

[1, 3, 3, 9, 12, 9, 65, 70, 70, 65, 1025, 990, 560, 990, 1025, 32769, 31806, 11160, 11160, 31806, 32769, 2097153, 2064510, 671832, 178560, 671832, 2064510, 2097153, 268435457, 266338558, 87413592, 12850368, 12850368, 87413592, 266338558, 268435457]

cp's OEIS Frontend

A173048 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 = 2, read by rows.

Table of values

List of values