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Search: id:A087970
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A087970 Maximal term in Collatz-iteration started at 1+2^n. +0
1
16, 16, 52, 52, 100, 196, 9232, 9232, 1540, 3076, 9232, 12292, 24580, 49156, 98308, 196612, 393220, 786436, 1572868, 3145732, 6291460, 12582916, 25165828, 50331652, 100663300 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n)=A025586[1+2^n]

CROSSREFS

Cf. A025586, A087701, A087972.

Sequence in context: A010855 A040241 A022350 this_sequence A165837 A070575 A004505

Adjacent sequences: A087967 A087968 A087969 this_sequence A087971 A087972 A087973

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Sep 24 2003

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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