A161161 - cp's OEIS frontend

A161161 Irregular triangle of differences T(n,k) = A083906(n,k) - A083906(n-1,k) of q-Binomial coefficients.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	3
11	1
12	1
13	1
14	2
15	3
16	5
17	2
18	2
19	1
20	1
21	2
22	3
23	5
24	7
25	5
26	4
27	3
28	1
29	1
30	1
31	2
32	3
33	5
34	7
35	11
36	8
37	9
38	7
39	6
40	2
41	2
42	1
43	1
44	2
45	3
46	5
47	7
48	11
49	15
50	14
51	15
52	15
53	13
54	11
55	7
56	4
57	3
58	1
59	1
60	1
61	2
62	3
63	5
64	7
65	11
66	15
67	22
68	21
69	25
70	25
71	27
72	23
73	22
74	15
75	13
76	8
77	6
78	2
79	2
80	1
81	1
82	2
83	3
84	5
85	7
86	11
87	15
88	22
89	30
90	32
91	37
92	42
93	44

[1, 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 2, 3, 5, 2, 2, 1, 1, 2, 3, 5, 7, 5, 4, 3, 1, 1, 1, 2, 3, 5, 7, 11, 8, 9, 7, 6, 2, 2, 1, 1, 2, 3, 5, 7, 11, 15, 14, 15, 15, 13, 11, 7, 4, 3, 1, 1, 1, 2, 3, 5, 7, 11, 15, 22, 21, 25, 25, 27, 23, 22, 15, 13, 8, 6, 2, 2, 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 32, 37, 42, 44]

cp's OEIS Frontend

A161161 Irregular triangle of differences T(n,k) = A083906(n,k) - A083906(n-1,k) of q-Binomial coefficients.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	3
11	1
12	1
13	1
14	2
15	3
16	5
17	2
18	2
19	1
20	1
21	2
22	3
23	5
24	7
25	5
26	4
27	3
28	1
29	1
30	1
31	2
32	3
33	5
34	7
35	11
36	8
37	9
38	7
39	6
40	2
41	2
42	1
43	1
44	2
45	3
46	5
47	7
48	11
49	15
50	14
51	15
52	15
53	13
54	11
55	7
56	4
57	3
58	1
59	1
60	1
61	2
62	3
63	5
64	7
65	11
66	15
67	22
68	21
69	25
70	25
71	27
72	23
73	22
74	15
75	13
76	8
77	6
78	2
79	2
80	1
81	1
82	2
83	3
84	5
85	7
86	11
87	15
88	22
89	30
90	32
91	37
92	42
93	44

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	3
11	1
12	1
13	1
14	2
15	3
16	5
17	2
18	2
19	1
20	1
21	2
22	3
23	5
24	7
25	5
26	4
27	3
28	1
29	1
30	1
31	2
32	3
33	5
34	7
35	11
36	8
37	9
38	7
39	6
40	2
41	2
42	1
43	1
44	2
45	3
46	5
47	7
48	11
49	15
50	14
51	15
52	15
53	13
54	11
55	7
56	4
57	3
58	1
59	1
60	1
61	2
62	3
63	5
64	7
65	11
66	15
67	22
68	21
69	25
70	25
71	27
72	23
73	22
74	15
75	13
76	8
77	6
78	2
79	2
80	1
81	1
82	2
83	3
84	5
85	7
86	11
87	15
88	22
89	30
90	32
91	37
92	42
93	44

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	3
11	1
12	1
13	1
14	2
15	3
16	5
17	2
18	2
19	1
20	1
21	2
22	3
23	5
24	7
25	5
26	4
27	3
28	1
29	1
30	1
31	2
32	3
33	5
34	7
35	11
36	8
37	9
38	7
39	6
40	2
41	2
42	1
43	1
44	2
45	3
46	5
47	7
48	11
49	15
50	14
51	15
52	15
53	13
54	11
55	7
56	4
57	3
58	1
59	1
60	1
61	2
62	3
63	5
64	7
65	11
66	15
67	22
68	21
69	25
70	25
71	27
72	23
73	22
74	15
75	13
76	8
77	6
78	2
79	2
80	1
81	1
82	2
83	3
84	5
85	7
86	11
87	15
88	22
89	30
90	32
91	37
92	42
93	44