A121867 - cp's OEIS frontend

A121867 Let A(0) = 1, B(0) = 0; A(n+1) = Sum_{k=0..n} binomial(n,k)B(k), B(n+1) = Sum_{k=0..n} -binomial(n,k)A(k); entry gives A sequence (cf. A121868).

n	a(n)
0	1
1	0
2	-1
3	-3
4	-6
5	-5
6	33
7	266
8	1309
9	4905
10	11516
11	-22935
12	-556875
13	-4932512
14	-32889885
15	-174282151
16	-612400262
17	907955295
18	45283256165
19	573855673458
20	5397236838345
21	41604258561397
22	250231901787780
23	756793798761989
24	-8425656230853383
25	-213091420659985440
26	-2990113204010882473

[1, 0, -1, -3, -6, -5, 33, 266, 1309, 4905, 11516, -22935, -556875, -4932512, -32889885, -174282151, -612400262, 907955295, 45283256165, 573855673458, 5397236838345, 41604258561397, 250231901787780, 756793798761989, -8425656230853383, -213091420659985440, -2990113204010882473]

cp's OEIS Frontend

A121867 Let A(0) = 1, B(0) = 0; A(n+1) = Sum_{k=0..n} binomial(n,k)B(k), B(n+1) = Sum_{k=0..n} -binomial(n,k)A(k); entry gives A sequence (cf. A121868).

Table of values

List of values

cp's OEIS Frontend

A121867 Let A(0) = 1, B(0) = 0; A(n+1) = Sum_{k=0..n} binomial(n,k)*B(k), B(n+1) = Sum_{k=0..n} -binomial(n,k)*A(k); entry gives A sequence (cf. A121868).

Table of values

List of values

A121867 Let A(0) = 1, B(0) = 0; A(n+1) = Sum_{k=0..n} binomial(n,k)B(k), B(n+1) = Sum_{k=0..n} -binomial(n,k)A(k); entry gives A sequence (cf. A121868).