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A059133 A hierarchical sequence (S(W2{2}c) - see A059126). +0
1
4, 18, 52, 126, 280, 594, 1228, 2502, 5056, 10170, 20404, 40878, 81832, 163746, 327580 (list; graph; listen)
OFFSET

0,1
LINKS

J. Wallgren, Hierarchical sequences

CROSSREFS

Sequence in context: A120656 A092349 A027659 this_sequence A020644 A027286 A119044

Adjacent sequences: A059130 A059131 A059132 this_sequence A059134 A059135 A059136

KEYWORD

easy,nonn

AUTHOR

Jonas Wallgren (jonwa(AT)ida.liu.se), Jan 19 2001

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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