A103384 Primes in A103374.

2, 3, 5, 7, 17, 31, 71, 127, 157, 227, 293, 349, 419, 521, 1873, 3877, 4889, 6607, 12289, 19843, 31873, 42703, 80309, 137957, 884987, 976091, 9979037, 15614983, 29738231, 45024979, 812280583, 6882259301, 8479913153, 88930242859, 356874733421

Offset: 1

Author

Jonathan Vos Post, Feb 03 2005

Keywords

• nonn
• easy

Comments

Intersection of A103374 with A000040.

Examples

			1873 is an element of this sequence because A103374(74) = 1873.
		

Crossrefs

Cf. A000040, A103374, A103382-A103391, A103394.

Programs

Mathematica

k = 6; Do[a[n] = 1, {n, k + 1}]; a[n_] := a[n] = a[n - k] + a[n - k - 1]; Union[Select[Array[a, 260], PrimeQ]]

Extensions

Edited, corrected and extended by Ray Chandler and Robert G. Wilson v, Feb 06 2005