OFFSET
0,2
COMMENTS
Similar to A102370, but read diagonals in reverse direction.
LINKS
FORMULA
PROG
(PARI) a1(n) = fromdigits(Vecrev(binary(n)), 2); \\ A030101
a0(n) = if( n<1, 0, sum(k=0, length(binary(n)), bitand(n + k, 2^k))); \\ A102370
a(n) = a1(a0(n)); \\ Michel Marcus, Apr 09 2022
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Apr 30 2005
EXTENSIONS
More terms from Philippe Deléham, Nov 11 2007
a(46)=19 inserted and more terms from Georg Fischer, Apr 08 2022
STATUS
approved