A115820 Sequence A115819 in binary.

0, 101, 1010, 1101, 10100, 11010, 100101, 101000, 110100, 1000101, 1001010, 1001101, 1010000, 1101000, 10001010, 10001101, 10010100, 10011010, 10100000, 11001101, 11010000, 100010100, 100011010, 100100101, 100101000, 100110100, 101000000, 110011010, 110100000

Offset

0,2

Links

Table of n, a(n) for n=0..28.

Formula

a(n) = A007088(A115819(n)).

Mathematica

Map[FromDigits[IntegerDigits[#, 2]] &, Select[Range[0, 1000], BitXor[4*#, 15*#] == 19*# &]] (* Paolo Xausa, Sep 30 2024 *)

Crossrefs

Cf. A007088, A115819.

Sequence in context: A069597 A139535 A139536 * A115773 A115818 A115826

Adjacent sequences: A115817 A115818 A115819 * A115821 A115822 A115823

Keyword

nonn,base

Author

Antti Karttunen, Feb 01 2006

Status

approved