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A063970 a(1) = 1; for n>1, write down all divisors of the previous term in order of magnitude. 0
2, 12, 1234612, 1247915831639077814156283086536173061234612 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

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

CROSSREFS

Cf. A006919, A056938.

Sequence in context: A048830 A038081 A027737 * A130769 A128033 A090954

Adjacent sequences:  A063967 A063968 A063969 * A063971 A063972 A063973

KEYWORD

easy,nonn,base

AUTHOR

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

EXTENSIONS

Next term has more than 3000 decimal digits.

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Last modified February 15 13:40 EST 2012. Contains 205803 sequences.