0,2

a(n) = (2^(floor_log_2(n)+1))*n + sum('(bit_i(n, i)*(2^(floor_log_2(n)-i)))', 'i'=0..floor_log_2(n));

A048702 = this sequence divided by 3, A048700 = binary palindromes of odd length, A006995 = all binary palindromes, A048703 = quaternary (base 4) palindromes of even length.

Sequence in context: A099409 A002127 A061810 this_sequence A031159 A058039 A013581

Adjacent sequences: A048698 A048699 A048700 this_sequence A048702 A048703 A048704

nonn

Antti Karttunen, Mar 07 1999