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A103385
Primes in A103375.
2
2, 3, 5, 7, 17, 31, 71, 127, 157, 227, 257, 293, 349, 419, 503, 1993, 7907, 26293, 29311, 34603, 67477, 3147311, 9159547, 973669469, 6797534657, 9627183689, 297222052181, 4530692779838851, 41748646469705167, 266359428042546661
OFFSET
1,1
COMMENTS
Intersection of A103375 with A000040.
EXAMPLE
17 is an element of this sequence because A103375(36) = 17.
MATHEMATICA
k = 7; Do[a[n] = 1, {n, k + 1}]; a[n_] := a[n] = a[n - k] + a[n - k - 1]; Union[Select[Array[a, 475], PrimeQ]]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jonathan Vos Post, Feb 03 2005
EXTENSIONS
Edited, corrected and extended by Ray Chandler and Robert G. Wilson v, Feb 06 2005
STATUS
approved