A258445 - cp's OEIS frontend

A258445 Irregular triangle related to Pascal's triangle.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	1
12	3
13	3
14	3
15	1
16	1
17	1
18	1
19	4
20	4
21	6
22	4
23	4
24	1
25	1
26	1
27	1
28	5
29	5
30	10
31	10
32	10
33	5
34	5
35	1
36	1
37	1
38	1
39	6
40	6
41	15
42	15
43	20
44	15
45	15
46	6
47	6
48	1
49	1
50	1
51	1
52	7
53	7
54	21
55	21
56	35
57	35
58	35
59	21
60	21
61	7
62	7
63	1
64	1
65	1
66	1
67	8
68	8
69	28
70	28
71	56
72	56
73	70
74	56
75	56
76	28
77	28
78	8
79	8
80	1
81	1
82	1
83	1
84	9
85	9
86	36
87	36
88	84
89	84
90	126
91	126
92	126
93	84
94	84
95	36
96	36
97	9
98	9
99	1
100	1

[1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 3, 3, 1, 1, 1, 1, 4, 4, 6, 4, 4, 1, 1, 1, 1, 5, 5, 10, 10, 10, 5, 5, 1, 1, 1, 1, 6, 6, 15, 15, 20, 15, 15, 6, 6, 1, 1, 1, 1, 7, 7, 21, 21, 35, 35, 35, 21, 21, 7, 7, 1, 1, 1, 1, 8, 8, 28, 28, 56, 56, 70, 56, 56, 28, 28, 8, 8, 1, 1, 1, 1, 9, 9, 36, 36, 84, 84, 126, 126, 126, 84, 84, 36, 36, 9, 9, 1, 1]

cp's OEIS Frontend

A258445 Irregular triangle related to Pascal's triangle.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	1
12	3
13	3
14	3
15	1
16	1
17	1
18	1
19	4
20	4
21	6
22	4
23	4
24	1
25	1
26	1
27	1
28	5
29	5
30	10
31	10
32	10
33	5
34	5
35	1
36	1
37	1
38	1
39	6
40	6
41	15
42	15
43	20
44	15
45	15
46	6
47	6
48	1
49	1
50	1
51	1
52	7
53	7
54	21
55	21
56	35
57	35
58	35
59	21
60	21
61	7
62	7
63	1
64	1
65	1
66	1
67	8
68	8
69	28
70	28
71	56
72	56
73	70
74	56
75	56
76	28
77	28
78	8
79	8
80	1
81	1
82	1
83	1
84	9
85	9
86	36
87	36
88	84
89	84
90	126
91	126
92	126
93	84
94	84
95	36
96	36
97	9
98	9
99	1
100	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	1
12	3
13	3
14	3
15	1
16	1
17	1
18	1
19	4
20	4
21	6
22	4
23	4
24	1
25	1
26	1
27	1
28	5
29	5
30	10
31	10
32	10
33	5
34	5
35	1
36	1
37	1
38	1
39	6
40	6
41	15
42	15
43	20
44	15
45	15
46	6
47	6
48	1
49	1
50	1
51	1
52	7
53	7
54	21
55	21
56	35
57	35
58	35
59	21
60	21
61	7
62	7
63	1
64	1
65	1
66	1
67	8
68	8
69	28
70	28
71	56
72	56
73	70
74	56
75	56
76	28
77	28
78	8
79	8
80	1
81	1
82	1
83	1
84	9
85	9
86	36
87	36
88	84
89	84
90	126
91	126
92	126
93	84
94	84
95	36
96	36
97	9
98	9
99	1
100	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	1
12	3
13	3
14	3
15	1
16	1
17	1
18	1
19	4
20	4
21	6
22	4
23	4
24	1
25	1
26	1
27	1
28	5
29	5
30	10
31	10
32	10
33	5
34	5
35	1
36	1
37	1
38	1
39	6
40	6
41	15
42	15
43	20
44	15
45	15
46	6
47	6
48	1
49	1
50	1
51	1
52	7
53	7
54	21
55	21
56	35
57	35
58	35
59	21
60	21
61	7
62	7
63	1
64	1
65	1
66	1
67	8
68	8
69	28
70	28
71	56
72	56
73	70
74	56
75	56
76	28
77	28
78	8
79	8
80	1
81	1
82	1
83	1
84	9
85	9
86	36
87	36
88	84
89	84
90	126
91	126
92	126
93	84
94	84
95	36
96	36
97	9
98	9
99	1
100	1