A142596 - cp's OEIS frontend

A142596 Triangle T(n, k) = T(n-1, k-1) + 3T(n-1, k) + 2T(n-1, k-1), with T(n,1) = T(n, n) = 1, read by rows.

n	a(n)
1	1
2	1
3	1
4	1
5	6
6	1
7	1
8	21
9	21
10	1
11	1
12	66
13	126
14	66
15	1
16	1
17	201
18	576
19	576
20	201
21	1
22	1
23	606
24	2331
25	3456
26	2331
27	606
28	1
29	1
30	1821
31	8811
32	17361
33	17361
34	8811
35	1821
36	1
37	1
38	5466
39	31896
40	78516
41	104166
42	78516
43	31896
44	5466
45	1
46	1
47	16401
48	112086
49	331236
50	548046
51	548046
52	331236
53	112086
54	16401
55	1

[1, 1, 1, 1, 6, 1, 1, 21, 21, 1, 1, 66, 126, 66, 1, 1, 201, 576, 576, 201, 1, 1, 606, 2331, 3456, 2331, 606, 1, 1, 1821, 8811, 17361, 17361, 8811, 1821, 1, 1, 5466, 31896, 78516, 104166, 78516, 31896, 5466, 1, 1, 16401, 112086, 331236, 548046, 548046, 331236, 112086, 16401, 1]

cp's OEIS Frontend

A142596 Triangle T(n, k) = T(n-1, k-1) + 3T(n-1, k) + 2T(n-1, k-1), with T(n,1) = T(n, n) = 1, read by rows.

Table of values

List of values

cp's OEIS Frontend

A142596 Triangle T(n, k) = T(n-1, k-1) + 3*T(n-1, k) + 2*T(n-1, k-1), with T(n,1) = T(n, n) = 1, read by rows.

Table of values

List of values

A142596 Triangle T(n, k) = T(n-1, k-1) + 3T(n-1, k) + 2T(n-1, k-1), with T(n,1) = T(n, n) = 1, read by rows.