1,1
Largest term is 5491763.
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Cf. A000040.
Sequence in context: A118722 A051026 A028865 this_sequence A096478 A076047 A077316
Adjacent sequences: A053432 A053433 A053434 this_sequence A053436 A053437 A053438
easy,fini,nonn,word
G. L. Honaker, Jr. (honak3r(AT)gmail.com), Jan 10 2000
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