OFFSET
1,1
COMMENTS
708588 has 13 1's in base 2 and 13 digits in its factorization. What is the next term in this sequence with more 1's and digits?
2881008 has 14 1's in base 2 and 14 digits in its factorization. - Harvey P. Dale, Jul 04 2023
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
54=110110 in base 2 and 54=2*3*3*3, hence 54 is in the sequence.
MATHEMATICA
Select[Range[2, 300], DigitCount[#, 2, 1]==Total[IntegerLength[#[[1]]]#[[2]]&/@ FactorInteger[ #]]&] (* Harvey P. Dale, Jul 04 2023 *)
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Jason Earls, Jul 30 2005
STATUS
approved