login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A257046
Numbers having trace 1 in their enhanced squares representation, see A256913.
3
1, 5, 8, 10, 14, 17, 21, 24, 26, 30, 33, 35, 37, 41, 44, 46, 50, 54, 57, 59, 63, 65, 69, 72, 74, 78, 82, 86, 89, 91, 95, 98, 101, 105, 108, 110, 114, 117, 122, 126, 129, 131, 135, 138, 142, 145, 149, 152, 154, 158, 161, 165, 168, 170, 174, 177, 179, 183, 186
OFFSET
1,2
COMMENTS
A256914(a(n)) = 1.
LINKS
PROG
(Haskell)
a257046 n = a257046_list !! (n-1)
a257046_list = filter ((== 1) . a256914) [0..]
CROSSREFS
Cf. A256913, A256914, A257047 (complement).
Sequence in context: A154315 A182084 A262707 * A314382 A022799 A314383
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Apr 15 2015
STATUS
approved