A099527 - cp's OEIS frontend

A099527 Triangle, read by rows, of trinomial coefficients arranged so that there are n+1 terms in row n by setting T(n,k) equal to the coefficient of z^k in (2 + 3*z + z^2)^(n-[k/2]), for n>=k>=0, where [k/2] is the integer floor of k/2.

n	a(n)
0	1
1	2
2	3
3	4
4	12
5	1
6	8
7	36
8	13
9	6
10	16
11	96
12	66
13	63
14	1
15	32
16	240
17	248
18	360
19	33
20	9
21	64
22	576
23	800
24	1560
25	321
26	180
27	1
28	128
29	1344
30	2352
31	5760
32	1970
33	1683
34	62
35	12
36	256
37	3072
38	6496
39	19152
40	9420
41	10836
42	985
43	390
44	1
45	512
46	6912
47	17152
48	59136
49	38472
50	55692
51	8989
52	5418
53	100
54	15

[1, 2, 3, 4, 12, 1, 8, 36, 13, 6, 16, 96, 66, 63, 1, 32, 240, 248, 360, 33, 9, 64, 576, 800, 1560, 321, 180, 1, 128, 1344, 2352, 5760, 1970, 1683, 62, 12, 256, 3072, 6496, 19152, 9420, 10836, 985, 390, 1, 512, 6912, 17152, 59136, 38472, 55692, 8989, 5418, 100, 15]

cp's OEIS Frontend

A099527 Triangle, read by rows, of trinomial coefficients arranged so that there are n+1 terms in row n by setting T(n,k) equal to the coefficient of z^k in (2 + 3*z + z^2)^(n-[k/2]), for n>=k>=0, where [k/2] is the integer floor of k/2.

Table of values

List of values