A121868 - cp's OEIS frontend

A121868 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 B sequence (cf. A121867).

n	a(n)
0	0
1	-1
2	-1
3	0
4	5
5	23
6	74
7	161
8	-57
9	-3466
10	-27361
11	-155397
12	-687688
13	-1888525
14	4974059
15	134695952
16	1400820897
17	11055147275
18	70658948426
19	327448854237
20	223871274083
21	-19116044475298
22	-314203665206509
23	-3562429698724513
24	-33024521386113840
25	-250403183401213513

[0, -1, -1, 0, 5, 23, 74, 161, -57, -3466, -27361, -155397, -687688, -1888525, 4974059, 134695952, 1400820897, 11055147275, 70658948426, 327448854237, 223871274083, -19116044475298, -314203665206509, -3562429698724513, -33024521386113840, -250403183401213513]

cp's OEIS Frontend

A121868 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 B sequence (cf. A121867).

Table of values

List of values

cp's OEIS Frontend

A121868 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 B sequence (cf. A121867).

Table of values

List of values

A121868 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 B sequence (cf. A121867).