A302098 Number of prime factors (with multiplicity) of generalized Fermat number 14^(2^n) + 1.
2, 1, 2, 3, 2, 4, 2, 3
Offset: 0
Examples
b(n) = 14^(2^n) + 1 Complete factorizations: b(0) = 3*5 b(1) = 197 b(2) = 41*937 b(3) = 17*5393*16097 b(4) = 193*11284732320255809 b(5) = 7489*1204905857*1667461121*315256811699009 b(6) = 8633886977*P64 b(7) = 257*100497382788383295179961898289105815085380571534081*P95
Programs
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PARI
a(n) = bigomega(14^(2^n)+1)
Comments