A098105 - cp's OEIS frontend

A098105 a(n) = 2^p - p^2 where p is the n-th prime.

n	a(n)
1	0
2	-1
3	7
4	79
5	1927
6	8023
7	130783
8	523927
9	8388079
10	536870071
11	2147482687
12	137438952103
13	2199023253871
14	8796093020359
15	140737488353119
16	9007199254738183
17	576460752303420007
18	2305843009213690231
19	147573952589676408439
20	2361183241434822601807
21	9444732965739290422063
22	604462909807314587346847
23	9671406556917033397642519

[0, -1, 7, 79, 1927, 8023, 130783, 523927, 8388079, 536870071, 2147482687, 137438952103, 2199023253871, 8796093020359, 140737488353119, 9007199254738183, 576460752303420007, 2305843009213690231, 147573952589676408439, 2361183241434822601807, 9444732965739290422063, 604462909807314587346847, 9671406556917033397642519]

cp's OEIS Frontend

A098105 a(n) = 2^p - p^2 where p is the n-th prime.

Table of values

List of values