OFFSET
1,1
EXAMPLE
Do(179) = 25665020 = 25236484 + 428536 = Do(178) + Do(46); Do(184) = 27880600 = 15086400 + 12794200 =Do(150) + Do(142);
CROSSREFS
KEYWORD
nice,nonn
AUTHOR
Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Feb 24 2000
EXTENSIONS
More terms from Jon E. Schoenfield, Aug 13 2007
a(27)-a(32) from Donovan Johnson, Aug 15 2010
STATUS
approved