A260791 Type II primes (conjectured).

5, 7, 13, 23, 31, 37, 47, 53, 71, 101, 103, 167, 181, 191, 197, 199, 223, 229, 263, 271, 293, 317, 349, 383, 397, 431, 439, 461, 479, 503, 509, 541, 557, 599, 607, 613, 647, 653, 677, 709, 719, 727, 733, 743, 751, 757, 797, 821, 823, 839, 877, 887, 911, 919, 991, 997

Offset

1,1

Comments

See Schulte et al. (2014) for the precise definition.

Links

Table of n, a(n) for n=1..56.

A. Schulte, S. VanSchalkwyk, A. Yang, On the divisibility and valuations of the Franel numbers, in MSRI-UP Research Reports, 2014.

A. Schulte, S. VanSchalkwyk, A. Yang, On the divisibility and valuations of the Franel numbers, Examples of Outstanding Student Posters, MAA.

Crossrefs

Cf. A260793, A260792.

Sequence in context: A105874 A105904 A038901 * A155006 A201474 A078724

Adjacent sequences: A260788 A260789 A260790 * A260792 A260793 A260794

Keyword

nonn

Author

N. J. A. Sloane, Aug 05 2015

Status

approved