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

0,1

LINKS

J. Wallgren, Hierarchical sequences

CROSSREFS

Sequence in context: A120656 A092349 A027659 * A020644 A181411 A027286

Adjacent sequences:  A059130 A059131 A059132 * A059134 A059135 A059136

KEYWORD

easy,nonn

AUTHOR

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

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Last modified February 15 05:15 EST 2012. Contains 205694 sequences.