A322457 - cp's OEIS frontend

A322457 Irregular triangle: Row n contains numbers k that have recursively symmetrical partitions having Durfee square with side length n.

n	a(n)
1	1
2	3
3	4
4	6
5	10
6	12
7	9
8	11
9	15
10	17
11	21
12	27
13	16
14	18
15	22
16	24
17	28
18	34
19	36
20	38
21	40
22	48
23	25
24	27
25	31
26	33
27	37
28	43
29	45
30	47
31	49
32	55
33	57
34	59
35	61
36	75
37	36
38	38
39	42
40	44
41	48
42	54
43	56
44	58
45	60
46	66
47	68
48	70
49	72
50	78
51	80
52	84
53	86
54	90
55	108
56	49
57	51
58	55
59	57
60	61
61	67
62	69
63	71
64	73
65	79
66	81

[1, 3, 4, 6, 10, 12, 9, 11, 15, 17, 21, 27, 16, 18, 22, 24, 28, 34, 36, 38, 40, 48, 25, 27, 31, 33, 37, 43, 45, 47, 49, 55, 57, 59, 61, 75, 36, 38, 42, 44, 48, 54, 56, 58, 60, 66, 68, 70, 72, 78, 80, 84, 86, 90, 108, 49, 51, 55, 57, 61, 67, 69, 71, 73, 79, 81]

cp's OEIS Frontend

A322457 Irregular triangle: Row n contains numbers k that have recursively symmetrical partitions having Durfee square with side length n.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	6
5	10
6	12
7	9
8	11
9	15
10	17
11	21
12	27
13	16
14	18
15	22
16	24
17	28
18	34
19	36
20	38
21	40
22	48
23	25
24	27
25	31
26	33
27	37
28	43
29	45
30	47
31	49
32	55
33	57
34	59
35	61
36	75
37	36
38	38
39	42
40	44
41	48
42	54
43	56
44	58
45	60
46	66
47	68
48	70
49	72
50	78
51	80
52	84
53	86
54	90
55	108
56	49
57	51
58	55
59	57
60	61
61	67
62	69
63	71
64	73
65	79
66	81

n	a(n)
1	1
2	3
3	4
4	6
5	10
6	12
7	9
8	11
9	15
10	17
11	21
12	27
13	16
14	18
15	22
16	24
17	28
18	34
19	36
20	38
21	40
22	48
23	25
24	27
25	31
26	33
27	37
28	43
29	45
30	47
31	49
32	55
33	57
34	59
35	61
36	75
37	36
38	38
39	42
40	44
41	48
42	54
43	56
44	58
45	60
46	66
47	68
48	70
49	72
50	78
51	80
52	84
53	86
54	90
55	108
56	49
57	51
58	55
59	57
60	61
61	67
62	69
63	71
64	73
65	79
66	81

n	a(n)
1	1
2	3
3	4
4	6
5	10
6	12
7	9
8	11
9	15
10	17
11	21
12	27
13	16
14	18
15	22
16	24
17	28
18	34
19	36
20	38
21	40
22	48
23	25
24	27
25	31
26	33
27	37
28	43
29	45
30	47
31	49
32	55
33	57
34	59
35	61
36	75
37	36
38	38
39	42
40	44
41	48
42	54
43	56
44	58
45	60
46	66
47	68
48	70
49	72
50	78
51	80
52	84
53	86
54	90
55	108
56	49
57	51
58	55
59	57
60	61
61	67
62	69
63	71
64	73
65	79
66	81