1,2

Cf. A081454, A081456, A081457.

Sequence in context: A011366 A005133 A063808 this_sequence A011515 A005531 A064494

Adjacent sequences: A081452 A081453 A081454 this_sequence A081456 A081457 A081458

more,nonn

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 21 2003

More terms from David Garber (garber(AT)math.huji.ac.il), Jun 17 2003

Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 12 2006