A261045 - cp's OEIS frontend

A261045 Number of solutions to c(1)prime(4) + c(2)prime(5) + ... + c(2n-1)*prime(2n+2) = -1, where c(i) = +-1 for i>1, c(1) = 1.

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	5
7	32
8	93
9	261
10	1082
11	3253
12	12307
13	40809
14	153392
15	525417
16	1892876
17	6847161
18	25256461
19	91268129
20	335852960
21	1239350769
22	4606651034
23	17073491494
24	63523866957
25	237953442636
26	892247156886
27	3346127378391
28	12603121634857
29	47642071407103

[0, 0, 0, 1, 2, 5, 32, 93, 261, 1082, 3253, 12307, 40809, 153392, 525417, 1892876, 6847161, 25256461, 91268129, 335852960, 1239350769, 4606651034, 17073491494, 63523866957, 237953442636, 892247156886, 3346127378391, 12603121634857, 47642071407103]

cp's OEIS Frontend

A261045 Number of solutions to c(1)prime(4) + c(2)prime(5) + ... + c(2n-1)*prime(2n+2) = -1, where c(i) = +-1 for i>1, c(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A261045 Number of solutions to c(1)*prime(4) + c(2)*prime(5) + ... + c(2n-1)*prime(2n+2) = -1, where c(i) = +-1 for i>1, c(1) = 1.

Table of values

List of values

A261045 Number of solutions to c(1)prime(4) + c(2)prime(5) + ... + c(2n-1)*prime(2n+2) = -1, where c(i) = +-1 for i>1, c(1) = 1.