A140182 - cp's OEIS frontend

A140182 Binomial transform of an infinite bidiagonal matrix with (1,3,1,3,1,3,...) in the main diagonal, (1,1,1,...) in the subdiagonal, the rest zeros.

n	a(n)
0	1
1	2
2	3
3	3
4	7
5	1
6	4
7	12
8	4
9	3
10	5
11	18
12	10
13	13
14	1
15	6
16	25
17	20
18	35
19	6
20	3
21	7
22	33
23	35
24	75
25	21
26	19
27	1
28	8
29	42
30	56
31	140
32	56
33	70
34	8
35	3
36	9
37	52
38	84
39	238
40	126
41	196
42	36
43	25
44	1
45	10
46	63
47	120
48	378
49	252
50	462
51	120
52	117
53	10
54	3
55	11
56	75
57	165
58	570
59	462
60	966
61	330
62	405
63	55
64	31
65	1

[1, 2, 3, 3, 7, 1, 4, 12, 4, 3, 5, 18, 10, 13, 1, 6, 25, 20, 35, 6, 3, 7, 33, 35, 75, 21, 19, 1, 8, 42, 56, 140, 56, 70, 8, 3, 9, 52, 84, 238, 126, 196, 36, 25, 1, 10, 63, 120, 378, 252, 462, 120, 117, 10, 3, 11, 75, 165, 570, 462, 966, 330, 405, 55, 31, 1]

cp's OEIS Frontend

A140182 Binomial transform of an infinite bidiagonal matrix with (1,3,1,3,1,3,...) in the main diagonal, (1,1,1,...) in the subdiagonal, the rest zeros.

Table of values

List of values

n	a(n)
0	1
1	2
2	3
3	3
4	7
5	1
6	4
7	12
8	4
9	3
10	5
11	18
12	10
13	13
14	1
15	6
16	25
17	20
18	35
19	6
20	3
21	7
22	33
23	35
24	75
25	21
26	19
27	1
28	8
29	42
30	56
31	140
32	56
33	70
34	8
35	3
36	9
37	52
38	84
39	238
40	126
41	196
42	36
43	25
44	1
45	10
46	63
47	120
48	378
49	252
50	462
51	120
52	117
53	10
54	3
55	11
56	75
57	165
58	570
59	462
60	966
61	330
62	405
63	55
64	31
65	1

n	a(n)
0	1
1	2
2	3
3	3
4	7
5	1
6	4
7	12
8	4
9	3
10	5
11	18
12	10
13	13
14	1
15	6
16	25
17	20
18	35
19	6
20	3
21	7
22	33
23	35
24	75
25	21
26	19
27	1
28	8
29	42
30	56
31	140
32	56
33	70
34	8
35	3
36	9
37	52
38	84
39	238
40	126
41	196
42	36
43	25
44	1
45	10
46	63
47	120
48	378
49	252
50	462
51	120
52	117
53	10
54	3
55	11
56	75
57	165
58	570
59	462
60	966
61	330
62	405
63	55
64	31
65	1

n	a(n)
0	1
1	2
2	3
3	3
4	7
5	1
6	4
7	12
8	4
9	3
10	5
11	18
12	10
13	13
14	1
15	6
16	25
17	20
18	35
19	6
20	3
21	7
22	33
23	35
24	75
25	21
26	19
27	1
28	8
29	42
30	56
31	140
32	56
33	70
34	8
35	3
36	9
37	52
38	84
39	238
40	126
41	196
42	36
43	25
44	1
45	10
46	63
47	120
48	378
49	252
50	462
51	120
52	117
53	10
54	3
55	11
56	75
57	165
58	570
59	462
60	966
61	330
62	405
63	55
64	31
65	1