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1,20
Since the sequences in the OEIS occasionally change their initial terms (for editorial reasons), this is an especially ill-defined sequence!
Table of n, a(n) for n=1..105.
PrimeFan, Esoteric Integer Sequences
A000001 begins 1,1,1,2,1,2,1,5,2,... so a(1) = 1 = a(100544).
Cf. A000001-A000150, A039928.
Sequence in context: A081396 A194293 A194297 * A130654 A053259 A194329
Adjacent sequences: A100541 A100542 A100543 * A100545 A100546 A100547
nonn,dumb,easy
N. J. A. Sloane, Jan 01 2005
More terms from Farideh Firoozbakht, Jan 02 2005
approved