1,1

Cf. A020582. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 26 2008]

Sequence in context: A144832 A023238 A049042 this_sequence A045348 A023207 A038611

Adjacent sequences: A020602 A020603 A020604 this_sequence A020606 A020607 A020608

nonn,fini,full

David W. Wilson (davidwwilson(AT)comcast.net)