A112367 - cp's OEIS frontend

A112367 a(n) = A000217(n-k), where k is the largest triangular number less than n.

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

[0, 0, 1, 0, 1, 3, 0, 1, 3, 6, 0, 1, 3, 6, 10, 0, 1, 3, 6, 10, 15, 0, 1, 3, 6, 10, 15, 21, 0, 1, 3, 6, 10, 15, 21, 28, 0, 1, 3, 6, 10, 15, 21, 28, 36, 0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 0, 1, 3, 6, 10]

cp's OEIS Frontend

A112367 a(n) = A000217(n-k), where k is the largest triangular number less than n.

Table of values

List of values

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

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

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