0,3

Cf. A011874, A014621.

Sequence in context: A127770 A121630 A089470 this_sequence A067146 A030019 A028853

Adjacent sequences: A014619 A014620 A014621 this_sequence A014623 A014624 A014625

nonn

Colin Mallows colinm(AT)research.avayalabs.com

More precise definition from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 07 2008