login
A115814
Sequence A115813 in binary.
1
0, 1, 10, 100, 1000, 1001, 1101, 10000, 10001, 10010, 11010, 100000, 100001, 100010, 100100, 110100, 1000000, 1000001, 1000010, 1000100, 1001000, 1001001, 1101000, 1101001, 1101101, 10000000, 10000001, 10000010, 10000100, 10001000, 10001001, 10001101, 10010000
OFFSET
0,3
FORMULA
a(n) = A007088(A115813(n)).
MATHEMATICA
Map[FromDigits[IntegerDigits[#, 2]] &, Select[Range[0, 500], BitXor[2*#, 5*#] == 7*# &]] (* Paolo Xausa, Oct 01 2024 *)
CROSSREFS
Sequence in context: A182979 A355892 A055992 * A350215 A171758 A115798
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Feb 01 2006
STATUS
approved