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A278782 Numbers n such that A000041(n) is of the form 2^5 * k for odd k. 7
70, 179, 262, 278, 419, 561, 682, 698, 767, 879, 1147, 1238, 1273, 1317, 1362, 1364, 1378, 1450, 1478, 1499, 1509, 1548, 1590, 1638, 1668, 1711, 1752, 1781, 1838, 1949, 2170, 2187, 2300, 2317, 2334, 2382, 2408, 2447, 2463, 2499, 2551, 2669, 2695, 2788, 2926 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Numbers n such that A278478(n) = 5.
Also numbers n such that A000041(n) has five times as many even divisors as odd divisors.
LINKS
FORMULA
A000041(a(n)) = A278199(n).
PROG
(PARI) isok(n) = valuation(numbpart(n), 2)==5;
select(n->isok(n), vector(3000, n, n))
CROSSREFS
Positions of 5's in A278478.
Sequence in context: A255793 A044402 A044783 * A154361 A165762 A165764
KEYWORD
nonn
AUTHOR
Colin Barker, Nov 28 2016
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)