A296307 - cp's OEIS frontend

A296307 Array read by upwards antidiagonals: f(n,k) = (n+1)*ceiling(n/(k-1)) - 1.

n	a(n)
1	1
2	5
3	1
4	11
5	2
6	1
7	19
8	7
9	2
10	1
11	29
12	9
13	3
14	2
15	1
16	41
17	17
18	9
19	3
20	2
21	1
22	55
23	20
24	11
25	4
26	3
27	2
28	1
29	71
30	31
31	13
32	11
33	4
34	3
35	2
36	1
37	89
38	35
39	23
40	13
41	5
42	4
43	3
44	2
45	1
46	109
47	49
48	26
49	15
50	13
51	5
52	4
53	3
54	2
55	1
56	131
57	54
58	29
59	17
60	15
61	6
62	5
63	4
64	3
65	2
66	1
67	155
68	71
69	43
70	29
71	17
72	15
73	6
74	5
75	4
76	3

[1, 5, 1, 11, 2, 1, 19, 7, 2, 1, 29, 9, 3, 2, 1, 41, 17, 9, 3, 2, 1, 55, 20, 11, 4, 3, 2, 1, 71, 31, 13, 11, 4, 3, 2, 1, 89, 35, 23, 13, 5, 4, 3, 2, 1, 109, 49, 26, 15, 13, 5, 4, 3, 2, 1, 131, 54, 29, 17, 15, 6, 5, 4, 3, 2, 1, 155, 71, 43, 29, 17, 15, 6, 5, 4, 3]

cp's OEIS Frontend

A296307 Array read by upwards antidiagonals: f(n,k) = (n+1)*ceiling(n/(k-1)) - 1.

Table of values

List of values

n	a(n)
1	1
2	5
3	1
4	11
5	2
6	1
7	19
8	7
9	2
10	1
11	29
12	9
13	3
14	2
15	1
16	41
17	17
18	9
19	3
20	2
21	1
22	55
23	20
24	11
25	4
26	3
27	2
28	1
29	71
30	31
31	13
32	11
33	4
34	3
35	2
36	1
37	89
38	35
39	23
40	13
41	5
42	4
43	3
44	2
45	1
46	109
47	49
48	26
49	15
50	13
51	5
52	4
53	3
54	2
55	1
56	131
57	54
58	29
59	17
60	15
61	6
62	5
63	4
64	3
65	2
66	1
67	155
68	71
69	43
70	29
71	17
72	15
73	6
74	5
75	4
76	3

n	a(n)
1	1
2	5
3	1
4	11
5	2
6	1
7	19
8	7
9	2
10	1
11	29
12	9
13	3
14	2
15	1
16	41
17	17
18	9
19	3
20	2
21	1
22	55
23	20
24	11
25	4
26	3
27	2
28	1
29	71
30	31
31	13
32	11
33	4
34	3
35	2
36	1
37	89
38	35
39	23
40	13
41	5
42	4
43	3
44	2
45	1
46	109
47	49
48	26
49	15
50	13
51	5
52	4
53	3
54	2
55	1
56	131
57	54
58	29
59	17
60	15
61	6
62	5
63	4
64	3
65	2
66	1
67	155
68	71
69	43
70	29
71	17
72	15
73	6
74	5
75	4
76	3

n	a(n)
1	1
2	5
3	1
4	11
5	2
6	1
7	19
8	7
9	2
10	1
11	29
12	9
13	3
14	2
15	1
16	41
17	17
18	9
19	3
20	2
21	1
22	55
23	20
24	11
25	4
26	3
27	2
28	1
29	71
30	31
31	13
32	11
33	4
34	3
35	2
36	1
37	89
38	35
39	23
40	13
41	5
42	4
43	3
44	2
45	1
46	109
47	49
48	26
49	15
50	13
51	5
52	4
53	3
54	2
55	1
56	131
57	54
58	29
59	17
60	15
61	6
62	5
63	4
64	3
65	2
66	1
67	155
68	71
69	43
70	29
71	17
72	15
73	6
74	5
75	4
76	3