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A152082 Largest prime divisors of the terms of A152080. 0
11, 11, 29, 13, 23, 13, 11, 19, 37, 29, 71, 23, 23, 109, 47, 41, 5, 83, 17, 157, 19, 53, 37, 29, 167, 11, 53, 5, 13, 19, 5, 229, 103, 151, 263, 73, 23, 163, 43, 17, 167, 29, 19, 41, 83, 17, 191, 139, 89, 109, 149, 37, 43, 73, 53, 59, 5, 379, 383, 89, 233, 167 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..62.

MATHEMATICA

f[n_] := FromDigits[IntegerDigits[n, 2], 4]; pmax[n_] := FactorInteger[n][[-1, 1]]; pmax /@ Select[Range[1300], CompositeQ[#] && PrimeQ[f[#]] &] (* Amiram Eldar, Aug 31 2019 *)

CROSSREFS

Cf. A000695, A152021, A152022, A152023, A152078, A152080.

Sequence in context: A022345 A246554 A218163 * A070849 A124297 A172507

Adjacent sequences:  A152079 A152080 A152081 * A152083 A152084 A152085

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Nov 23 2008

EXTENSIONS

More terms from Amiram Eldar, Aug 31 2019

STATUS

approved

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Last modified January 26 23:54 EST 2022. Contains 350601 sequences. (Running on oeis4.)