A124959 - cp's OEIS frontend

A124959 Triangle read by rows: T(n,k) = a(k)binomial(n,k) (0 <= k <= n), where a(0)=1, a(1)=2, a(k) = a(k-1) + 3a(k-2) for k >= 2 (a(k) = A006138(k)).

n	a(n)
0	1
1	1
2	2
3	1
4	4
5	5
6	1
7	6
8	15
9	11
10	1
11	8
12	30
13	44
14	26
15	1
16	10
17	50
18	110
19	130
20	59
21	1
22	12
23	75
24	220
25	390
26	354
27	137
28	1
29	14
30	105
31	385
32	910
33	1239
34	959
35	314
36	1
37	16
38	140
39	616
40	1820
41	3304
42	3836
43	2512
44	725
45	1
46	18
47	180
48	924
49	3276
50	7434
51	11508
52	11304
53	6525
54	1667
55	1
56	20
57	225
58	1320
59	5460
60	14868
61	28770
62	37680
63	32625
64	16670
65	3842

[1, 1, 2, 1, 4, 5, 1, 6, 15, 11, 1, 8, 30, 44, 26, 1, 10, 50, 110, 130, 59, 1, 12, 75, 220, 390, 354, 137, 1, 14, 105, 385, 910, 1239, 959, 314, 1, 16, 140, 616, 1820, 3304, 3836, 2512, 725, 1, 18, 180, 924, 3276, 7434, 11508, 11304, 6525, 1667, 1, 20, 225, 1320, 5460, 14868, 28770, 37680, 32625, 16670, 3842]

cp's OEIS Frontend

A124959 Triangle read by rows: T(n,k) = a(k)binomial(n,k) (0 <= k <= n), where a(0)=1, a(1)=2, a(k) = a(k-1) + 3a(k-2) for k >= 2 (a(k) = A006138(k)).

Table of values

List of values

cp's OEIS Frontend

A124959 Triangle read by rows: T(n,k) = a(k)*binomial(n,k) (0 <= k <= n), where a(0)=1, a(1)=2, a(k) = a(k-1) + 3*a(k-2) for k >= 2 (a(k) = A006138(k)).

Table of values

List of values

A124959 Triangle read by rows: T(n,k) = a(k)binomial(n,k) (0 <= k <= n), where a(0)=1, a(1)=2, a(k) = a(k-1) + 3a(k-2) for k >= 2 (a(k) = A006138(k)).