A380713 Lesser of twin self primes, i.e., smaller member of the pair of self primes differing by 2.

3, 5, 18521, 19421, 39827, 44621, 49121, 57221, 59627, 65927, 84221, 86627, 129221, 139121, 149627, 153521, 172421, 182927, 207521, 209927, 231821, 238727, 251621, 254927, 264827, 274121, 277427, 289127, 308927, 317321, 319727, 321821, 327827, 329627, 330821

Offset

1,1

Links

Shyam Sunder Gupta, Table of n, a(n) for n = 1..3683

Shyam Sunder Gupta, On Some Marvellous Numbers of Kaprekar, Exploring the Beauty of Fascinating Numbers, Springer (2025) Ch. 9, 275-315.

Crossrefs

Cf. A003052, A001359, A374101, A380715.

Sequence in context: A319598 A353135 A126334 * A068635 A156695 A357258

Adjacent sequences: A380710 A380711 A380712 * A380714 A380715 A380716

Keyword

nonn,base

Author

Shyam Sunder Gupta, Mar 27 2025

Status

approved