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A176166 Highest exponents of triangular numbers. 0
1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 3, 3, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 3, 1, 1, 1, 4, 4, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 3, 3, 2, 2, 1, 1, 3, 3, 2, 2, 1, 1, 1, 1, 1, 2, 5, 5, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 3, 4, 4, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 4, 4, 2, 2, 2, 2, 1, 1, 2, 2, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

COMMENTS

FactorInteger[6]={{2, 1}, {3, 1}},..FactorInteger[28]={{2, 2}, {7, 1}},...

LINKS

Table of n, a(n) for n=1..105.

MATHEMATICA

f1[n_]:=Max[Last/@FactorInteger[n]]; f2[n_]:=n*(n+1)/2; Table[f1[f2[n]], {n, 2, 4*5!}]

CROSSREFS

Cf. A000217, A005361, A135939

Sequence in context: A126061 A088496 A036602 * A167911 A037804 A316894

Adjacent sequences: A176163 A176164 A176165 * A176167 A176168 A176169

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Apr 10 2010

STATUS

approved

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Last modified December 7 10:26 EST 2022. Contains 358656 sequences. (Running on oeis4.)