A154958 - cp's OEIS frontend

A154958 Antidiagonal sums of number triangle A154957 regarded as a lower triangular infinite matrix.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	3
7	2
8	4
9	2
10	4
11	2
12	5
13	3
14	6
15	3
16	6
17	3
18	7
19	4
20	8
21	4
22	8
23	4
24	9
25	5
26	10
27	5
28	10
29	5
30	11
31	6
32	12
33	6
34	12
35	6
36	13
37	7
38	14
39	7
40	14
41	7
42	15
43	8
44	16
45	8
46	16
47	8
48	17
49	9
50	18
51	9
52	18
53	9
54	19
55	10
56	20
57	10
58	20
59	10
60	21
61	11
62	22
63	11
64	22
65	11
66	23
67	12
68	24
69	12
70	24
71	12
72	25
73	13
74	26
75	13
76	26
77	13
78	27
79	14
80	28
81	14
82	28

[1, 1, 2, 1, 2, 1, 3, 2, 4, 2, 4, 2, 5, 3, 6, 3, 6, 3, 7, 4, 8, 4, 8, 4, 9, 5, 10, 5, 10, 5, 11, 6, 12, 6, 12, 6, 13, 7, 14, 7, 14, 7, 15, 8, 16, 8, 16, 8, 17, 9, 18, 9, 18, 9, 19, 10, 20, 10, 20, 10, 21, 11, 22, 11, 22, 11, 23, 12, 24, 12, 24, 12, 25, 13, 26, 13, 26, 13, 27, 14, 28, 14, 28]

cp's OEIS Frontend

A154958 Antidiagonal sums of number triangle A154957 regarded as a lower triangular infinite matrix.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	3
7	2
8	4
9	2
10	4
11	2
12	5
13	3
14	6
15	3
16	6
17	3
18	7
19	4
20	8
21	4
22	8
23	4
24	9
25	5
26	10
27	5
28	10
29	5
30	11
31	6
32	12
33	6
34	12
35	6
36	13
37	7
38	14
39	7
40	14
41	7
42	15
43	8
44	16
45	8
46	16
47	8
48	17
49	9
50	18
51	9
52	18
53	9
54	19
55	10
56	20
57	10
58	20
59	10
60	21
61	11
62	22
63	11
64	22
65	11
66	23
67	12
68	24
69	12
70	24
71	12
72	25
73	13
74	26
75	13
76	26
77	13
78	27
79	14
80	28
81	14
82	28

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	3
7	2
8	4
9	2
10	4
11	2
12	5
13	3
14	6
15	3
16	6
17	3
18	7
19	4
20	8
21	4
22	8
23	4
24	9
25	5
26	10
27	5
28	10
29	5
30	11
31	6
32	12
33	6
34	12
35	6
36	13
37	7
38	14
39	7
40	14
41	7
42	15
43	8
44	16
45	8
46	16
47	8
48	17
49	9
50	18
51	9
52	18
53	9
54	19
55	10
56	20
57	10
58	20
59	10
60	21
61	11
62	22
63	11
64	22
65	11
66	23
67	12
68	24
69	12
70	24
71	12
72	25
73	13
74	26
75	13
76	26
77	13
78	27
79	14
80	28
81	14
82	28

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	3
7	2
8	4
9	2
10	4
11	2
12	5
13	3
14	6
15	3
16	6
17	3
18	7
19	4
20	8
21	4
22	8
23	4
24	9
25	5
26	10
27	5
28	10
29	5
30	11
31	6
32	12
33	6
34	12
35	6
36	13
37	7
38	14
39	7
40	14
41	7
42	15
43	8
44	16
45	8
46	16
47	8
48	17
49	9
50	18
51	9
52	18
53	9
54	19
55	10
56	20
57	10
58	20
59	10
60	21
61	11
62	22
63	11
64	22
65	11
66	23
67	12
68	24
69	12
70	24
71	12
72	25
73	13
74	26
75	13
76	26
77	13
78	27
79	14
80	28
81	14
82	28