A173122 - cp's OEIS frontend

A173122 Irregular triangle T(n) = coefficients of Sum_{k=0..n} t(n,k,q) for powers of q, where t(n,k,q) = q[n=2] + Sum_{j=0..5} q^jbinomial(n-2j, k-j)[n>2*j] with t(n,0,q) = t(n,n,q) = 1, read by rows.

n	a(n)
0	1
1	2
2	4
3	1
4	8
5	2
6	16
7	4
8	32
9	8
10	2
11	64
12	16
13	4
14	128
15	32
16	8
17	2
18	256
19	64
20	16
21	4
22	512
23	128
24	32
25	8
26	2
27	1024
28	256
29	64
30	16
31	4
32	2048
33	512
34	128
35	32
36	8
37	2
38	4096
39	1024
40	256
41	64
42	16
43	4
44	8192
45	2048
46	512
47	128
48	32
49	8
50	16384
51	4096
52	1024
53	256
54	64
55	16
56	32768
57	8192
58	2048
59	512
60	128
61	32
62	65536
63	16384
64	4096
65	1024
66	256
67	64

[1, 2, 4, 1, 8, 2, 16, 4, 32, 8, 2, 64, 16, 4, 128, 32, 8, 2, 256, 64, 16, 4, 512, 128, 32, 8, 2, 1024, 256, 64, 16, 4, 2048, 512, 128, 32, 8, 2, 4096, 1024, 256, 64, 16, 4, 8192, 2048, 512, 128, 32, 8, 16384, 4096, 1024, 256, 64, 16, 32768, 8192, 2048, 512, 128, 32, 65536, 16384, 4096, 1024, 256, 64]

cp's OEIS Frontend

A173122 Irregular triangle T(n) = coefficients of Sum_{k=0..n} t(n,k,q) for powers of q, where t(n,k,q) = q[n=2] + Sum_{j=0..5} q^jbinomial(n-2j, k-j)[n>2*j] with t(n,0,q) = t(n,n,q) = 1, read by rows.

Table of values

List of values

cp's OEIS Frontend

A173122 Irregular triangle T(n) = coefficients of Sum_{k=0..n} t(n,k,q) for powers of q, where t(n,k,q) = q*[n=2] + Sum_{j=0..5} q^j*binomial(n-2*j, k-j)*[n>2*j] with t(n,0,q) = t(n,n,q) = 1, read by rows.

Table of values

List of values

A173122 Irregular triangle T(n) = coefficients of Sum_{k=0..n} t(n,k,q) for powers of q, where t(n,k,q) = q[n=2] + Sum_{j=0..5} q^jbinomial(n-2j, k-j)[n>2*j] with t(n,0,q) = t(n,n,q) = 1, read by rows.