1,1

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Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Sequence in context: A035319 A081786 A130039 this_sequence A119099 A033510 A123844

Adjacent sequences: A007590 A007591 A007592 this_sequence A007594 A007595 A007596

nonn,hard

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

328256967373616371221, 67585198634817522935331173030319681, 443426488243037769923934299701036035201 are also in the sequence - Jud McCranie (j.mccranie(AT)comcast.net), Dec 16 1999