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A088570 Sum of terms in n-th bloc of Kolakoski sequence. 0
1, 4, 2, 2, 1, 4, 1, 4, 2, 2, 2, 4, 1, 2, 2, 2, 1, 4, 2, 2, 2, 2, 1, 4, 1, 4, 2, 2, 1, 4, 1, 2, 2, 2, 2, 4, 1, 4, 2, 2, 1, 4, 1, 4, 2, 2, 2, 2, 1, 4, 1, 2, 2, 4, 1, 4, 2, 2, 1, 4, 1, 4, 2, 2, 2, 4, 1, 2, 2, 2, 1, 4, 1, 4, 2, 2, 2, 2, 1, 4, 2, 2, 2, 4, 1, 2, 2, 2, 2, 4, 1, 4, 2, 2, 1, 4, 1, 2, 2, 4, 1, 4, 1, 2, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=(3+(-1)^n)/2*A000002(n)

CROSSREFS

Sequence in context: A016511 A123402 A205032 * A102888 A071558 A179621

Adjacent sequences:  A088567 A088568 A088569 * A088571 A088572 A088573

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 17 2003

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.