A104332 Primes which are the reverse concatenation of two consecutive odd numbers.

31, 53, 97, 2927, 3331, 3533, 4139, 5351, 6361, 6563, 6967, 7573, 8179, 9391, 111109, 113111, 123121, 129127, 131129, 143141, 153151, 155153, 159157, 161159, 171169, 185183, 189187, 191189, 195193, 219217, 221219, 225223, 233231, 239237, 255253

Offset

1,1

Links

Table of n, a(n) for n=1..35.

Example

The first term is 31 which is a prime and is the reverse concatenation of 1 and 3 which are two consecutive odd numbers.

Crossrefs

Sequence in context: A163321 A182380 A141856 * A045116 A092227 A220539

Adjacent sequences: A104329 A104330 A104331 * A104333 A104334 A104335

Keyword

base,nonn

Author

Shyam Sunder Gupta, Apr 17 2005

Status

approved