A239313 - cp's OEIS frontend

A239313 Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the odd numbers interleaved with k-1 zeros, except the first column which lists 0 together with the nonnegative integers, and the first element of column k is in row k*(k+1)/2.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	3
9	4
10	0
11	1
12	5
13	5
14	0
15	6
16	0
17	0
18	7
19	7
20	3
21	8
22	0
23	0
24	1
25	9
26	9
27	0
28	0
29	10
30	0
31	5
32	0
33	11
34	11
35	0
36	0
37	12
38	0
39	0
40	3
41	13
42	13
43	7
44	0
45	1
46	14
47	0
48	0
49	0
50	0
51	15
52	15
53	0
54	0
55	0
56	16
57	0
58	9
59	5
60	0
61	17
62	17
63	0
64	0
65	0
66	18
67	0
68	0
69	0
70	3
71	19
72	19
73	11
74	0
75	0
76	1
77	20
78	0
79	0
80	7
81	0
82	0

[0, 0, 1, 1, 2, 0, 3, 3, 4, 0, 1, 5, 5, 0, 6, 0, 0, 7, 7, 3, 8, 0, 0, 1, 9, 9, 0, 0, 10, 0, 5, 0, 11, 11, 0, 0, 12, 0, 0, 3, 13, 13, 7, 0, 1, 14, 0, 0, 0, 0, 15, 15, 0, 0, 0, 16, 0, 9, 5, 0, 17, 17, 0, 0, 0, 18, 0, 0, 0, 3, 19, 19, 11, 0, 0, 1, 20, 0, 0, 7, 0, 0]

cp's OEIS Frontend

A239313 Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the odd numbers interleaved with k-1 zeros, except the first column which lists 0 together with the nonnegative integers, and the first element of column k is in row k*(k+1)/2.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	3
9	4
10	0
11	1
12	5
13	5
14	0
15	6
16	0
17	0
18	7
19	7
20	3
21	8
22	0
23	0
24	1
25	9
26	9
27	0
28	0
29	10
30	0
31	5
32	0
33	11
34	11
35	0
36	0
37	12
38	0
39	0
40	3
41	13
42	13
43	7
44	0
45	1
46	14
47	0
48	0
49	0
50	0
51	15
52	15
53	0
54	0
55	0
56	16
57	0
58	9
59	5
60	0
61	17
62	17
63	0
64	0
65	0
66	18
67	0
68	0
69	0
70	3
71	19
72	19
73	11
74	0
75	0
76	1
77	20
78	0
79	0
80	7
81	0
82	0

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	3
9	4
10	0
11	1
12	5
13	5
14	0
15	6
16	0
17	0
18	7
19	7
20	3
21	8
22	0
23	0
24	1
25	9
26	9
27	0
28	0
29	10
30	0
31	5
32	0
33	11
34	11
35	0
36	0
37	12
38	0
39	0
40	3
41	13
42	13
43	7
44	0
45	1
46	14
47	0
48	0
49	0
50	0
51	15
52	15
53	0
54	0
55	0
56	16
57	0
58	9
59	5
60	0
61	17
62	17
63	0
64	0
65	0
66	18
67	0
68	0
69	0
70	3
71	19
72	19
73	11
74	0
75	0
76	1
77	20
78	0
79	0
80	7
81	0
82	0

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	3
9	4
10	0
11	1
12	5
13	5
14	0
15	6
16	0
17	0
18	7
19	7
20	3
21	8
22	0
23	0
24	1
25	9
26	9
27	0
28	0
29	10
30	0
31	5
32	0
33	11
34	11
35	0
36	0
37	12
38	0
39	0
40	3
41	13
42	13
43	7
44	0
45	1
46	14
47	0
48	0
49	0
50	0
51	15
52	15
53	0
54	0
55	0
56	16
57	0
58	9
59	5
60	0
61	17
62	17
63	0
64	0
65	0
66	18
67	0
68	0
69	0
70	3
71	19
72	19
73	11
74	0
75	0
76	1
77	20
78	0
79	0
80	7
81	0
82	0