OFFSET
1,1
FORMULA
a(n) = 4 * A354956(n).
PROG
(PARI) for(k=1, 15000, my(i=ispower(k)); if(i&&valuation(k, 2)==i, print1(k, ", ")))
CROSSREFS
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Jun 13 2022
STATUS
approved