1,1

Divisors of a(3)={1, 2, 4, 79, 158, 316, 3907, 7814, 15628, 308653, 617306, 1234612}

Cf. A006919, A056938.

Sequence in context: A048830 A038081 A027737 this_sequence A130769 A128033 A090954

Adjacent sequences: A063967 A063968 A063969 this_sequence A063971 A063972 A063973

easy,nonn,base

Labos E. (labos(AT)ana.sote.hu), Sep 05 2001

Next term has more than 3000 decimal digits.