A340555 - cp's OEIS frontend

A340555 T(n, k) = [x^k] (2^n-1)2^(-n-1)((x+1)^(2^n) - (x-1)^(2^n)). Irregular triangle read by rows, for n >= 0 and 0 <= k <= 2^n.

n	a(n)
0	0
1	0
2	1
3	0
4	0
5	3
6	0
7	3
8	0
9	0
10	7
11	0
12	49
13	0
14	49
15	0
16	7
17	0
18	0
19	15
20	0
21	525
22	0
23	4095
24	0
25	10725
26	0
27	10725
28	0
29	4095
30	0
31	525
32	0
33	15
34	0
35	0
36	31
37	0
38	4805
39	0
40	195083
41	0
42	3260673
43	0
44	27172275
45	0
46	124992465
47	0
48	336518175
49	0
50	548043885
51	0
52	548043885
53	0
54	336518175
55	0
56	124992465
57	0
58	27172275
59	0
60	3260673
61	0
62	195083
63	0
64	4805
65	0
66	31
67	0

[0, 0, 1, 0, 0, 3, 0, 3, 0, 0, 7, 0, 49, 0, 49, 0, 7, 0, 0, 15, 0, 525, 0, 4095, 0, 10725, 0, 10725, 0, 4095, 0, 525, 0, 15, 0, 0, 31, 0, 4805, 0, 195083, 0, 3260673, 0, 27172275, 0, 124992465, 0, 336518175, 0, 548043885, 0, 548043885, 0, 336518175, 0, 124992465, 0, 27172275, 0, 3260673, 0, 195083, 0, 4805, 0, 31, 0]

cp's OEIS Frontend

A340555 T(n, k) = [x^k] (2^n-1)2^(-n-1)((x+1)^(2^n) - (x-1)^(2^n)). Irregular triangle read by rows, for n >= 0 and 0 <= k <= 2^n.

Table of values

List of values

cp's OEIS Frontend

A340555 T(n, k) = [x^k] (2^n-1)*2^(-n-1)*((x+1)^(2^n) - (x-1)^(2^n)). Irregular triangle read by rows, for n >= 0 and 0 <= k <= 2^n.

Table of values

List of values

A340555 T(n, k) = [x^k] (2^n-1)2^(-n-1)((x+1)^(2^n) - (x-1)^(2^n)). Irregular triangle read by rows, for n >= 0 and 0 <= k <= 2^n.