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A059137 A hierarchical sequence (W3{2,2}cc - see A059126). 2
18, 54, 18, 90, 18, 54, 18, 126, 18, 54, 18, 90, 18, 54, 18, 162, 18, 54, 18, 90, 18, 54, 18, 126, 18, 54, 18, 90, 18, 54, 18, 198, 18, 54, 18, 90, 18, 54, 18, 126, 18, 54, 18, 90, 18, 54, 18, 162, 18, 54, 18, 90, 18, 54, 18, 126, 18, 54, 18, 90, 18, 54, 18, 234, 18, 54 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..65.

J. Wallgren, Hierarchical sequences

FORMULA

a(n) = 18*A037227(n). - Mitch Harris, Jun 29 2005

CROSSREFS

Cf. A037227.

Sequence in context: A052495 A052902 A217591 * A096011 A176026 A068396

Adjacent sequences:  A059134 A059135 A059136 * A059138 A059139 A059140

KEYWORD

easy,nonn

AUTHOR

Jonas Wallgren, Jan 19 2001

STATUS

approved

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Last modified November 30 02:42 EST 2020. Contains 338781 sequences. (Running on oeis4.)