A201639 - cp's OEIS frontend

A201639 Triangle read by rows, T(n,k) for 0<=k<=n, generalizes the Motzkin lattice paths with weights of A003645.

n	a(n)
0	1
1	4
2	1
3	20
4	8
5	1
6	112
7	56
8	12
9	1
10	672
11	384
12	108
13	16
14	1
15	4224
16	2640
17	880
18	176
19	20
20	1
21	27456
22	18304
23	6864
24	1664
25	260
26	24
27	1
28	183040
29	128128
30	52416
31	14560
32	2800
33	360
34	28
35	1
36	1244672
37	905216
38	396032
39	121856
40	27200
41	4352
42	476
43	32
44	1
45	8599552
46	6449664
47	2976768

[1, 4, 1, 20, 8, 1, 112, 56, 12, 1, 672, 384, 108, 16, 1, 4224, 2640, 880, 176, 20, 1, 27456, 18304, 6864, 1664, 260, 24, 1, 183040, 128128, 52416, 14560, 2800, 360, 28, 1, 1244672, 905216, 396032, 121856, 27200, 4352, 476, 32, 1, 8599552, 6449664, 2976768]

cp's OEIS Frontend

A201639 Triangle read by rows, T(n,k) for 0<=k<=n, generalizes the Motzkin lattice paths with weights of A003645.

Table of values

List of values