A176469 - cp's OEIS frontend

A176469 A symmetrical triangle:q=4;c(n,q)=Product[1 - q^i, {i, 1, n}];t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	-8
12	-126
13	-8
14	1
15	1
16	-103
17	-4114
18	-4114
19	-103
20	1
21	1
22	-642
23	-82549
24	-353256
25	-82549
26	-642
27	1
28	1
29	-3281
30	-1430195
31	-23948889
32	-23948889
33	-1430195
34	-3281
35	1
36	1
37	-15292
38	-23527496
39	-1548356796
40	-6216938526

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, -8, -126, -8, 1, 1, -103, -4114, -4114, -103, 1, 1, -642, -82549, -353256, -82549, -642, 1, 1, -3281, -1430195, -23948889, -23948889, -1430195, -3281, 1, 1, -15292, -23527496, -1548356796, -6216938526]

cp's OEIS Frontend

A176469 A symmetrical triangle:q=4;c(n,q)=Product[1 - q^i, {i, 1, n}];t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1.

Table of values

List of values