A286623 - cp's OEIS frontend

A286623 Square array A(n,k) = A276943(n,k)/A002110(n-1), read by descending antidiagonals A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.

n	a(n)
1	1
2	3
3	1
4	4
5	4
6	1
7	5
8	6
9	6
10	1
11	7
12	7
13	10
14	8
15	1
16	9
17	16
18	11
19	14
20	12
21	1
22	10
23	19
24	36
25	15
26	22
27	14
28	1
29	11
30	21
31	41
32	78
33	23
34	26
35	18
36	1
37	13
38	22
39	45
40	85
41	144
42	27
43	34
44	20
45	1
46	15
47	31
48	46
49	91
50	155
51	222
52	35
53	38
54	24
55	1
56	16
57	34
58	71
59	92
60	165
61	235
62	324
63	39
64	46
65	30
66	1
67	17
68	36
69	76
70	155
71	166
72	247
73	341
74	438
75	47
76	58
77	32
78	1
79	18
80	37
81	80
82	162
83	287
84	248
85	357
86	457
87	668
88	59
89	62
90	38
91	1

[1, 3, 1, 4, 4, 1, 5, 6, 6, 1, 7, 7, 10, 8, 1, 9, 16, 11, 14, 12, 1, 10, 19, 36, 15, 22, 14, 1, 11, 21, 41, 78, 23, 26, 18, 1, 13, 22, 45, 85, 144, 27, 34, 20, 1, 15, 31, 46, 91, 155, 222, 35, 38, 24, 1, 16, 34, 71, 92, 165, 235, 324, 39, 46, 30, 1, 17, 36, 76, 155, 166, 247, 341, 438, 47, 58, 32, 1, 18, 37, 80, 162, 287, 248, 357, 457, 668, 59, 62, 38, 1]

cp's OEIS Frontend

A286623 Square array A(n,k) = A276943(n,k)/A002110(n-1), read by descending antidiagonals A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.

Table of values

List of values

n	a(n)
1	1
2	3
3	1
4	4
5	4
6	1
7	5
8	6
9	6
10	1
11	7
12	7
13	10
14	8
15	1
16	9
17	16
18	11
19	14
20	12
21	1
22	10
23	19
24	36
25	15
26	22
27	14
28	1
29	11
30	21
31	41
32	78
33	23
34	26
35	18
36	1
37	13
38	22
39	45
40	85
41	144
42	27
43	34
44	20
45	1
46	15
47	31
48	46
49	91
50	155
51	222
52	35
53	38
54	24
55	1
56	16
57	34
58	71
59	92
60	165
61	235
62	324
63	39
64	46
65	30
66	1
67	17
68	36
69	76
70	155
71	166
72	247
73	341
74	438
75	47
76	58
77	32
78	1
79	18
80	37
81	80
82	162
83	287
84	248
85	357
86	457
87	668
88	59
89	62
90	38
91	1

n	a(n)
1	1
2	3
3	1
4	4
5	4
6	1
7	5
8	6
9	6
10	1
11	7
12	7
13	10
14	8
15	1
16	9
17	16
18	11
19	14
20	12
21	1
22	10
23	19
24	36
25	15
26	22
27	14
28	1
29	11
30	21
31	41
32	78
33	23
34	26
35	18
36	1
37	13
38	22
39	45
40	85
41	144
42	27
43	34
44	20
45	1
46	15
47	31
48	46
49	91
50	155
51	222
52	35
53	38
54	24
55	1
56	16
57	34
58	71
59	92
60	165
61	235
62	324
63	39
64	46
65	30
66	1
67	17
68	36
69	76
70	155
71	166
72	247
73	341
74	438
75	47
76	58
77	32
78	1
79	18
80	37
81	80
82	162
83	287
84	248
85	357
86	457
87	668
88	59
89	62
90	38
91	1

n	a(n)
1	1
2	3
3	1
4	4
5	4
6	1
7	5
8	6
9	6
10	1
11	7
12	7
13	10
14	8
15	1
16	9
17	16
18	11
19	14
20	12
21	1
22	10
23	19
24	36
25	15
26	22
27	14
28	1
29	11
30	21
31	41
32	78
33	23
34	26
35	18
36	1
37	13
38	22
39	45
40	85
41	144
42	27
43	34
44	20
45	1
46	15
47	31
48	46
49	91
50	155
51	222
52	35
53	38
54	24
55	1
56	16
57	34
58	71
59	92
60	165
61	235
62	324
63	39
64	46
65	30
66	1
67	17
68	36
69	76
70	155
71	166
72	247
73	341
74	438
75	47
76	58
77	32
78	1
79	18
80	37
81	80
82	162
83	287
84	248
85	357
86	457
87	668
88	59
89	62
90	38
91	1