A338132 List of lengths of subsequences of the characteristic function of those primes for which the minimum cyclic self-convolution is 1. Also n such that A337802(n)=1.

3, 5, 7, 11, 13, 17, 19, 23, 31, 43, 47, 61, 73, 107, 109, 113, 181, 199, 467

Offset: 1

Author

Andres Cicuttin, Oct 11 2020

Keywords

• nonn
• more

Comments

Is this sequence finite?

Crossrefs

Cf. A337802, A010051, A299111.

Programs

Mathematica

b[n_] := Table[If[PrimeQ[i], 1, 0], {i, 1, n}];
tab = Table[Min@Table[b[n].RotateRight[Reverse[b[n]], j], {j, 0, n - 1}], {n, 1, 2^12}]; (* to explore the first 2^12 subsequences *)
Flatten[Position[tab, 1]]