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Search: id:A074861
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A074861 Iccanobirt sequence: a(n)=R[a(n-1)]+R[a(n-2)]+R[a(n-3)] where a(0)=a(1)=a(2)=1 and R(n) (A004086) is the reverse of n. +0
1
1, 1, 1, 3, 5, 9, 17, 85, 138, 960, 958, 1759, 10499, 109831, 247873, 617044, 958359, 1773317, 8528346, 14525888, 102424570, 170715000, 164793813, 394338733, 656748025, 1177078610, 1027388860, 1378392568, 9510483643, 12805616091 (list; graph; listen)
OFFSET

1,4

CROSSREFS

Cf. A000213.

Adjacent sequences: A074858 A074859 A074860 this_sequence A074862 A074863 A074864

Sequence in context: A135729 A118330 A062221 this_sequence A120941 A108227 A028411

KEYWORD

easy,base,nonn

AUTHOR

Felice Russo (felice.russo(AT)katamail.com), Sep 11 2002

EXTENSIONS

More terms from David Garber (garber(AT)math.huji.ac.il), Oct 23 2002

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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