A082432 a(n) = p - A072181(n), where p is the least prime > A072181(n) + 1.

2, 3, 5, 5, 7, 7, 11, 13, 13, 13, 13, 13, 17, 17, 17, 23, 59, 47, 41, 23, 23, 23, 83, 293, 383, 383, 103, 563, 107, 107, 71, 1399, 1399, 1399, 1399, 2803, 983, 983, 983, 10589, 5693, 5693, 19553, 827, 31699, 31699, 33001, 12193

Offset

1,1

Comments

Is a(n) always prime?

Links

Table of n, a(n) for n=1..48.

Example

a(4) = 17 - A072181(4) = 17 - 12 = 5.

Crossrefs

Cf. A005235, A055211, A037153, A037155, A072181.

Sequence in context: A186698 A234345 A111060 * A336298 A037153 A323185

Adjacent sequences: A082429 A082430 A082431 * A082433 A082434 A082435

Keyword

more,nonn

Author

Naohiro Nomoto, Apr 25 2003

Extensions

a(36)-a(47) from Iain Fox, Nov 23 2017

a(48) from Iain Fox, Nov 29 2017

Status

approved