A231347 - cp's OEIS frontend

A231347 Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the odd numbers interleaved with k-1 zeros but T(n,1) = n - 1 and the first element of column k is in row k(k+1)/2.

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

[0, 1, 2, 1, 3, 0, 4, 3, 5, 0, 1, 6, 5, 0, 7, 0, 0, 8, 7, 3, 9, 0, 0, 1, 10, 9, 0, 0, 11, 0, 5, 0, 12, 11, 0, 0, 13, 0, 0, 3, 14, 13, 7, 0, 1, 15, 0, 0, 0, 0, 16, 15, 0, 0, 0, 17, 0, 9, 5, 0, 18, 17, 0, 0, 0, 19, 0, 0, 0, 3, 20, 19, 11, 0, 0, 1, 21, 0, 0, 7, 0, 0]

cp's OEIS Frontend

A231347 Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the odd numbers interleaved with k-1 zeros but T(n,1) = n - 1 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	1
3	2
4	1
5	3
6	0
7	4
8	3
9	5
10	0
11	1
12	6
13	5
14	0
15	7
16	0
17	0
18	8
19	7
20	3
21	9
22	0
23	0
24	1
25	10
26	9
27	0
28	0
29	11
30	0
31	5
32	0
33	12
34	11
35	0
36	0
37	13
38	0
39	0
40	3
41	14
42	13
43	7
44	0
45	1
46	15
47	0
48	0
49	0
50	0
51	16
52	15
53	0
54	0
55	0
56	17
57	0
58	9
59	5
60	0
61	18
62	17
63	0
64	0
65	0
66	19
67	0
68	0
69	0
70	3
71	20
72	19
73	11
74	0
75	0
76	1
77	21
78	0
79	0
80	7
81	0
82	0

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

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