1,4
T. D. Noe, Table of n, a(n) for n=1..5000
Cf. A002708.
Sequence in context: A016587 A123217 A039704 this_sequence A128047 A105870 A096534
Adjacent sequences: A002749 A002750 A002751 this_sequence A002753 A002754 A002755
nonn
John C. Hallyburton, Jr. (hallyb(AT)evms.ENET.dec.com)
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