A279388 - cp's OEIS frontend

A279388 Irregular triangle read by rows: T(n,k) is the sum of the subparts in the k-th layer of the symmetric representation of sigma(n), if such a layer exists.

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	11
7	1
8	8
9	15
10	13
11	18
12	12
13	23
14	5
15	14
16	24
17	23
18	1
19	31
20	18
21	35
22	4
23	20
24	39
25	3
26	32
27	36
28	24
29	47
30	13
31	31
32	42
33	40
34	55
35	1
36	30
37	59
38	13
39	32
40	63
41	48
42	54
43	45
44	3
45	71
46	20
47	38
48	60
49	56
50	79
51	11
52	42
53	83
54	13
55	44
56	84
57	73
58	5
59	72
60	48
61	95
62	29
63	57
64	93
65	72
66	98
67	54
68	107
69	13
70	72
71	111
72	9
73	80
74	90
75	60
76	119
77	37
78	12

[1, 3, 4, 7, 6, 11, 1, 8, 15, 13, 18, 12, 23, 5, 14, 24, 23, 1, 31, 18, 35, 4, 20, 39, 3, 32, 36, 24, 47, 13, 31, 42, 40, 55, 1, 30, 59, 13, 32, 63, 48, 54, 45, 3, 71, 20, 38, 60, 56, 79, 11, 42, 83, 13, 44, 84, 73, 5, 72, 48, 95, 29, 57, 93, 72, 98, 54, 107, 13, 72, 111, 9, 80, 90, 60, 119, 37, 12]

cp's OEIS Frontend

A279388 Irregular triangle read by rows: T(n,k) is the sum of the subparts in the k-th layer of the symmetric representation of sigma(n), if such a layer exists.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	11
7	1
8	8
9	15
10	13
11	18
12	12
13	23
14	5
15	14
16	24
17	23
18	1
19	31
20	18
21	35
22	4
23	20
24	39
25	3
26	32
27	36
28	24
29	47
30	13
31	31
32	42
33	40
34	55
35	1
36	30
37	59
38	13
39	32
40	63
41	48
42	54
43	45
44	3
45	71
46	20
47	38
48	60
49	56
50	79
51	11
52	42
53	83
54	13
55	44
56	84
57	73
58	5
59	72
60	48
61	95
62	29
63	57
64	93
65	72
66	98
67	54
68	107
69	13
70	72
71	111
72	9
73	80
74	90
75	60
76	119
77	37
78	12

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	11
7	1
8	8
9	15
10	13
11	18
12	12
13	23
14	5
15	14
16	24
17	23
18	1
19	31
20	18
21	35
22	4
23	20
24	39
25	3
26	32
27	36
28	24
29	47
30	13
31	31
32	42
33	40
34	55
35	1
36	30
37	59
38	13
39	32
40	63
41	48
42	54
43	45
44	3
45	71
46	20
47	38
48	60
49	56
50	79
51	11
52	42
53	83
54	13
55	44
56	84
57	73
58	5
59	72
60	48
61	95
62	29
63	57
64	93
65	72
66	98
67	54
68	107
69	13
70	72
71	111
72	9
73	80
74	90
75	60
76	119
77	37
78	12

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	11
7	1
8	8
9	15
10	13
11	18
12	12
13	23
14	5
15	14
16	24
17	23
18	1
19	31
20	18
21	35
22	4
23	20
24	39
25	3
26	32
27	36
28	24
29	47
30	13
31	31
32	42
33	40
34	55
35	1
36	30
37	59
38	13
39	32
40	63
41	48
42	54
43	45
44	3
45	71
46	20
47	38
48	60
49	56
50	79
51	11
52	42
53	83
54	13
55	44
56	84
57	73
58	5
59	72
60	48
61	95
62	29
63	57
64	93
65	72
66	98
67	54
68	107
69	13
70	72
71	111
72	9
73	80
74	90
75	60
76	119
77	37
78	12