A359853
a(n) is the index of the smallest Fibonacci n-step number with exactly n distinct prime factors.
Original entry on oeis.org
8, 13, 20, 18, 50, 56, 73, 95, 267
Offset: 2
A359880
a(n) is the smallest Fibonacci n-step number with exactly n prime factors (counted with multiplicity).
Original entry on oeis.org
21, 44, 56, 120, 1936, 2000, 2035872, 32512, 265816832, 523008, 8565824256, 67047424, 134156288, 1073463296, 35176050802688, 8589344768, 562914520154112, 18013762856812544, 144112508021833728, 2305819919496904704, 1099509006336, 137438822400
Offset: 2
a(3) = 44, because 44 is a tribonacci number with 3 prime factors (counted with multiplicity) {2, 2, 11} and this is the smallest such number.
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