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A156352 a(n)=A078649(A054353(n)-n+1)-A054353(n) 0
1, 1, 3, 2, 1, 2, 1, 1, 2, 1, 1, 3, 2, 1, 3, 2, 1, 1, 2, 1, 3, 2, 1, 2, 1, 1, 3, 2, 1, 3, 2, 1, 2, 1, 1, 2, 1, 1, 3, 2, 1, 2, 1, 1, 2, 1, 3, 2, 1, 3, 2, 1, 1, 2, 1, 1, 3, 2, 1, 2, 1, 1, 2, 1, 1, 3, 2, 1, 3, 2, 1, 2, 1, 1, 2, 1, 3, 2, 1, 1, 2, 1, 1, 3, 2, 1, 2, 1, 1, 2, 1, 1, 3, 2, 1, 3, 2, 1, 1, 2, 1, 3, 2, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..105.

FORMULA

a(n)=3 iff {A000002(n),A000002(n+1),A000002(n+2)}={2,1,1}

CROSSREFS

Sequence in context: A016457 A181715 A077089 * A323756 A175191 A328928

Adjacent sequences:  A156349 A156350 A156351 * A156353 A156354 A156355

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Feb 08 2009

STATUS

approved

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Last modified January 29 14:07 EST 2020. Contains 331338 sequences. (Running on oeis4.)