OFFSET
0,1
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..16383
Jonas Wallgren, Hierarchical sequences
FORMULA
a(n) = 4 + 6*A007814(n+1). a(2n) = 4, a(2n+1) = a(n) + 6. - Ralf Stephan, Oct 09 2003. Typo in the first formula corrected by Antti Karttunen, Nov 01 2018
MATHEMATICA
Array[6 IntegerExponent[2 #, 2] - 2 &, 105] (* Michael De Vlieger, Nov 02 2018 *)
PROG
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jonas Wallgren, Jan 19 2001
STATUS
approved