A261061 - cp's OEIS frontend

A261061 Number of solutions to c(1)prime(1)+...+c(2n)prime(2n) = -1, where c(i) = +-1 for i > 1, c(1) = 1.

n	a(n)
1	1
2	0
3	2
4	3
5	8
6	23
7	68
8	221
9	709
10	2344
11	8006
12	27585
13	95114
14	335645
15	1202053
16	4267640
17	15317698
18	55248527
19	200711160
20	733697248
21	2696576651
22	9941588060
23	36928160817
24	136800727634
25	508780005068
26	1901946851732
27	7133247301621
28	26782446410398
29	100862459737318

[1, 0, 2, 3, 8, 23, 68, 221, 709, 2344, 8006, 27585, 95114, 335645, 1202053, 4267640, 15317698, 55248527, 200711160, 733697248, 2696576651, 9941588060, 36928160817, 136800727634, 508780005068, 1901946851732, 7133247301621, 26782446410398, 100862459737318]

cp's OEIS Frontend

A261061 Number of solutions to c(1)prime(1)+...+c(2n)prime(2n) = -1, where c(i) = +-1 for i > 1, c(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A261061 Number of solutions to c(1)*prime(1)+...+c(2n)*prime(2n) = -1, where c(i) = +-1 for i > 1, c(1) = 1.

Table of values

List of values

A261061 Number of solutions to c(1)prime(1)+...+c(2n)prime(2n) = -1, where c(i) = +-1 for i > 1, c(1) = 1.