A323345 - cp's OEIS frontend

A323345 Square array read by ascending antidiagonals: T(n, k) is the number of partitions of n where parts, if sorted in ascending order, form an arithmetic progression (AP) with common difference of k; n >= 1, k >= 0.

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	4
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	1
25	1
26	1
27	1
28	1
29	4
30	2
31	2
32	2
33	1
34	1
35	1
36	1
37	3
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	4
47	3
48	2
49	2
50	2
51	1
52	1
53	1
54	1
55	1
56	2
57	2
58	2
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	6
68	2
69	2
70	2
71	2
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	1
82	1
83	1
84	1
85	1
86	1
87	1
88	1
89	1
90	1
91	1

[1, 2, 1, 2, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 1, 4, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 4, 2, 2, 2, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

cp's OEIS Frontend

A323345 Square array read by ascending antidiagonals: T(n, k) is the number of partitions of n where parts, if sorted in ascending order, form an arithmetic progression (AP) with common difference of k; n >= 1, k >= 0.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	4
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	1
25	1
26	1
27	1
28	1
29	4
30	2
31	2
32	2
33	1
34	1
35	1
36	1
37	3
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	4
47	3
48	2
49	2
50	2
51	1
52	1
53	1
54	1
55	1
56	2
57	2
58	2
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	6
68	2
69	2
70	2
71	2
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	1
82	1
83	1
84	1
85	1
86	1
87	1
88	1
89	1
90	1
91	1

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	4
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	1
25	1
26	1
27	1
28	1
29	4
30	2
31	2
32	2
33	1
34	1
35	1
36	1
37	3
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	4
47	3
48	2
49	2
50	2
51	1
52	1
53	1
54	1
55	1
56	2
57	2
58	2
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	6
68	2
69	2
70	2
71	2
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	1
82	1
83	1
84	1
85	1
86	1
87	1
88	1
89	1
90	1
91	1

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	4
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	1
25	1
26	1
27	1
28	1
29	4
30	2
31	2
32	2
33	1
34	1
35	1
36	1
37	3
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	4
47	3
48	2
49	2
50	2
51	1
52	1
53	1
54	1
55	1
56	2
57	2
58	2
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	6
68	2
69	2
70	2
71	2
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	1
82	1
83	1
84	1
85	1
86	1
87	1
88	1
89	1
90	1
91	1