A218695 - cp's OEIS frontend

A218695 Square array A(h,k) = (2^h-1)A(h,k-1) + Sum_{i=1..h-1} binomial(h,h-i)2^i*A(i,k-1), with A(1,k) = A(h,1) = 1; read by antidiagonals.

n	a(n)
1	1
2	1
3	1
4	1
5	7
6	1
7	1
8	25
9	25
10	1
11	1
12	79
13	265
14	79
15	1
16	1
17	241
18	2161
19	2161
20	241
21	1
22	1
23	727
24	16081
25	41503
26	16081
27	727
28	1
29	1
30	2185
31	115465
32	693601
33	693601
34	115465
35	2185
36	1
37	1
38	6559
39	816985
40	10924399
41	24997921
42	10924399
43	816985
44	6559
45	1

[1, 1, 1, 1, 7, 1, 1, 25, 25, 1, 1, 79, 265, 79, 1, 1, 241, 2161, 2161, 241, 1, 1, 727, 16081, 41503, 16081, 727, 1, 1, 2185, 115465, 693601, 693601, 115465, 2185, 1, 1, 6559, 816985, 10924399, 24997921, 10924399, 816985, 6559, 1]

cp's OEIS Frontend

A218695 Square array A(h,k) = (2^h-1)A(h,k-1) + Sum_{i=1..h-1} binomial(h,h-i)2^i*A(i,k-1), with A(1,k) = A(h,1) = 1; read by antidiagonals.

Table of values

List of values

cp's OEIS Frontend

A218695 Square array A(h,k) = (2^h-1)*A(h,k-1) + Sum_{i=1..h-1} binomial(h,h-i)*2^i*A(i,k-1), with A(1,k) = A(h,1) = 1; read by antidiagonals.

Table of values

List of values

A218695 Square array A(h,k) = (2^h-1)A(h,k-1) + Sum_{i=1..h-1} binomial(h,h-i)2^i*A(i,k-1), with A(1,k) = A(h,1) = 1; read by antidiagonals.