login
A257047
Numbers not having trace 1 in their enhanced squares representation, see A256913.
4
0, 2, 3, 4, 6, 7, 9, 11, 12, 13, 15, 16, 18, 19, 20, 22, 23, 25, 27, 28, 29, 31, 32, 34, 36, 38, 39, 40, 42, 43, 45, 47, 48, 49, 51, 52, 53, 55, 56, 58, 60, 61, 62, 64, 66, 67, 68, 70, 71, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 90, 92, 93, 94, 96
OFFSET
1,2
COMMENTS
A256914(a(n)) != 1.
LINKS
PROG
(Haskell)
a257047 n = a257047_list !! (n-1)
a257047_list = filter ((/= 1) . a256914) [0..]
CROSSREFS
Cf. A256913, A256914, A257046 (complement).
Sequence in context: A187102 A191991 A369138 * A192416 A026468 A263015
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Apr 15 2015
STATUS
approved