OFFSET
1,2
COMMENTS
The multiples of 3 in A354790 appear at indices 3, 7, 17, 35, 71, 143, 287, 575, 1151, ... and conjecturally at indices 9*2^k-1 for all k >= 1.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 27 2022
EXTENSIONS
a(16)-a(24) from Rémy Sigrist, Aug 29 2022
STATUS
approved