Primes that appear in the sequence: a(n) = 1 if a(n-1) is prime; otherwise a(n) = a(n-1)+a(n-2), with a(1) = 1.

A142885

Primes that appear in the sequence: a(n) = 1 if a(n-1) is prime; otherwise a(n) = a(n-1)+a(n-2), with a(1) = 1.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =7a(4) =17a(5) =19a(6) =41a(7) =43a(8) =89a(9) =181a(10) =16253a(11) =341347a(12) =682697a(13) =682699a(14) =23211821

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