1,2
For n >= 2, a(n) = A007918(n). a(p) = p, a(c) = a(c+1), for p = primes (A000040), c = composite numbers (A002808).
Cf.: A007918, A000040, A002808.
Sequence in context: A126762 A082048 A113459 this_sequence A123318 A111060 A082432
Adjacent sequences: A159474 A159475 A159476 this_sequence A159478 A159479 A159480
nonn
Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Apr 13 2009
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