A179901 - cp's OEIS frontend

A179901 Triangle read by rows, antidiagonals of an array generated from (1, r, r, r, ...) convolved with (1, 0, r, r, r, ...).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	3
9	4
10	3
11	1
12	4
13	6
14	8
15	4
16	1
17	5
18	8
19	15
20	12
21	5
22	1
23	6
24	10
25	24
26	24
27	16
28	6
29	1
30	7
31	12
32	35
33	40
34	33
35	20
36	7
37	1
38	8
39	14
40	48
41	60
42	56
43	42
44	24
45	8
46	1
47	9
48	16
49	63
50	84
51	85
52	70
53	51
54	28
55	9
56	1
57	10
58	18
59	80
60	112
61	120
62	110
63	88
64	60
65	32
66	10
67	1
68	11
69	20
70	99
71	144
72	161
73	156
74	135
75	104
76	69
77	36
78	11

[1, 1, 1, 1, 2, 2, 1, 3, 4, 3, 1, 4, 6, 8, 4, 1, 5, 8, 15, 12, 5, 1, 6, 10, 24, 24, 16, 6, 1, 7, 12, 35, 40, 33, 20, 7, 1, 8, 14, 48, 60, 56, 42, 24, 8, 1, 9, 16, 63, 84, 85, 70, 51, 28, 9, 1, 10, 18, 80, 112, 120, 110, 88, 60, 32, 10, 1, 11, 20, 99, 144, 161, 156, 135, 104, 69, 36, 11]

cp's OEIS Frontend

A179901 Triangle read by rows, antidiagonals of an array generated from (1, r, r, r, ...) convolved with (1, 0, r, r, r, ...).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	3
9	4
10	3
11	1
12	4
13	6
14	8
15	4
16	1
17	5
18	8
19	15
20	12
21	5
22	1
23	6
24	10
25	24
26	24
27	16
28	6
29	1
30	7
31	12
32	35
33	40
34	33
35	20
36	7
37	1
38	8
39	14
40	48
41	60
42	56
43	42
44	24
45	8
46	1
47	9
48	16
49	63
50	84
51	85
52	70
53	51
54	28
55	9
56	1
57	10
58	18
59	80
60	112
61	120
62	110
63	88
64	60
65	32
66	10
67	1
68	11
69	20
70	99
71	144
72	161
73	156
74	135
75	104
76	69
77	36
78	11

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	3
9	4
10	3
11	1
12	4
13	6
14	8
15	4
16	1
17	5
18	8
19	15
20	12
21	5
22	1
23	6
24	10
25	24
26	24
27	16
28	6
29	1
30	7
31	12
32	35
33	40
34	33
35	20
36	7
37	1
38	8
39	14
40	48
41	60
42	56
43	42
44	24
45	8
46	1
47	9
48	16
49	63
50	84
51	85
52	70
53	51
54	28
55	9
56	1
57	10
58	18
59	80
60	112
61	120
62	110
63	88
64	60
65	32
66	10
67	1
68	11
69	20
70	99
71	144
72	161
73	156
74	135
75	104
76	69
77	36
78	11

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	3
9	4
10	3
11	1
12	4
13	6
14	8
15	4
16	1
17	5
18	8
19	15
20	12
21	5
22	1
23	6
24	10
25	24
26	24
27	16
28	6
29	1
30	7
31	12
32	35
33	40
34	33
35	20
36	7
37	1
38	8
39	14
40	48
41	60
42	56
43	42
44	24
45	8
46	1
47	9
48	16
49	63
50	84
51	85
52	70
53	51
54	28
55	9
56	1
57	10
58	18
59	80
60	112
61	120
62	110
63	88
64	60
65	32
66	10
67	1
68	11
69	20
70	99
71	144
72	161
73	156
74	135
75	104
76	69
77	36
78	11