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A023570
Greatest exponent in prime-power factorization of p(n)-3.
0
0, 0, 1, 2, 3, 1, 1, 4, 2, 1, 2, 1, 1, 3, 2, 2, 3, 1, 6, 2, 1, 2, 4, 1, 1, 2, 2, 3, 1, 1, 2, 7, 1, 3, 1, 2, 1, 5, 2, 1, 4, 1, 2, 1, 1, 2, 4, 2, 5, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 1, 3, 1, 4, 2, 1, 1, 3, 1, 3, 1, 2, 2, 2, 1, 3, 2, 1, 1, 1, 1, 5, 1, 2, 1, 2, 3, 1, 1, 1, 2, 4, 2, 2, 3, 4, 3, 1, 1, 3
OFFSET
1,4
MATHEMATICA
Join[{0, 0}, Table[Max[FactorInteger[p-3][[All, 2]]], {p, Prime[Range[3, 100]]}]] (* Harvey P. Dale, Mar 11 2019 *)
CROSSREFS
Sequence in context: A244665 A194518 A023572 * A256989 A275214 A319846
KEYWORD
nonn
STATUS
approved