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A037792 Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 3,2,0,1. 0
3, 32, 320, 3201, 32013, 320132, 3201320, 32013201, 320132013, 3201320132, 32013201320, 320132013201, 3201320132013, 32013201320132, 320132013201320, 3201320132013201 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n)=10*a(n-1)+(1/4)*{3*[(n+1) mod 4]+2*[(n+2) mod 4]-[(n+3) mod 4]}, with a(0)=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Jul 30 2009]

CROSSREFS

Sequence in context: A198320 A035533 A029502 * A037673 A037799 A091706

Adjacent sequences:  A037789 A037790 A037791 * A037793 A037794 A037795

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 17 06:23 EST 2012. Contains 205993 sequences.