A169623 - cp's OEIS frontend

A169623 Generalized Pascal triangle read by rows: T(n,0) = T(0,n) = 1 for n >= 0, T(n,k) = 0 for k < 0 or k > n; otherwise T(n,k) = T(n-2,k-2) + T(n-2,k-1) + T(n-2,k) for 1 <= k <= n-1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	2
9	1
10	1
11	2
12	3
13	2
14	1
15	1
16	3
17	5
18	5
19	3
20	1
21	1
22	3
23	6
24	7
25	6
26	3
27	1
28	1
29	4
30	9
31	13
32	13
33	9
34	4
35	1
36	1
37	4
38	10
39	16
40	19
41	16
42	10
43	4
44	1
45	1
46	5
47	14
48	26
49	35
50	35
51	26
52	14
53	5
54	1
55	1
56	5
57	15
58	30
59	45
60	51
61	45
62	30
63	15
64	5
65	1
66	1
67	6
68	20
69	45
70	75
71	96
72	96
73	75
74	45
75	20
76	6
77	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 3, 2, 1, 1, 3, 5, 5, 3, 1, 1, 3, 6, 7, 6, 3, 1, 1, 4, 9, 13, 13, 9, 4, 1, 1, 4, 10, 16, 19, 16, 10, 4, 1, 1, 5, 14, 26, 35, 35, 26, 14, 5, 1, 1, 5, 15, 30, 45, 51, 45, 30, 15, 5, 1, 1, 6, 20, 45, 75, 96, 96, 75, 45, 20, 6, 1]

cp's OEIS Frontend

A169623 Generalized Pascal triangle read by rows: T(n,0) = T(0,n) = 1 for n >= 0, T(n,k) = 0 for k < 0 or k > n; otherwise T(n,k) = T(n-2,k-2) + T(n-2,k-1) + T(n-2,k) for 1 <= k <= n-1.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	2
9	1
10	1
11	2
12	3
13	2
14	1
15	1
16	3
17	5
18	5
19	3
20	1
21	1
22	3
23	6
24	7
25	6
26	3
27	1
28	1
29	4
30	9
31	13
32	13
33	9
34	4
35	1
36	1
37	4
38	10
39	16
40	19
41	16
42	10
43	4
44	1
45	1
46	5
47	14
48	26
49	35
50	35
51	26
52	14
53	5
54	1
55	1
56	5
57	15
58	30
59	45
60	51
61	45
62	30
63	15
64	5
65	1
66	1
67	6
68	20
69	45
70	75
71	96
72	96
73	75
74	45
75	20
76	6
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	2
9	1
10	1
11	2
12	3
13	2
14	1
15	1
16	3
17	5
18	5
19	3
20	1
21	1
22	3
23	6
24	7
25	6
26	3
27	1
28	1
29	4
30	9
31	13
32	13
33	9
34	4
35	1
36	1
37	4
38	10
39	16
40	19
41	16
42	10
43	4
44	1
45	1
46	5
47	14
48	26
49	35
50	35
51	26
52	14
53	5
54	1
55	1
56	5
57	15
58	30
59	45
60	51
61	45
62	30
63	15
64	5
65	1
66	1
67	6
68	20
69	45
70	75
71	96
72	96
73	75
74	45
75	20
76	6
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	2
9	1
10	1
11	2
12	3
13	2
14	1
15	1
16	3
17	5
18	5
19	3
20	1
21	1
22	3
23	6
24	7
25	6
26	3
27	1
28	1
29	4
30	9
31	13
32	13
33	9
34	4
35	1
36	1
37	4
38	10
39	16
40	19
41	16
42	10
43	4
44	1
45	1
46	5
47	14
48	26
49	35
50	35
51	26
52	14
53	5
54	1
55	1
56	5
57	15
58	30
59	45
60	51
61	45
62	30
63	15
64	5
65	1
66	1
67	6
68	20
69	45
70	75
71	96
72	96
73	75
74	45
75	20
76	6
77	1