A050604 - OEIS

A050604

Column 3 of A050600: a(n) = add1c(n,3).

1, 3, 2, 2, 1, 4, 3, 3, 1, 3, 2, 2, 1, 5, 4, 4, 1, 3, 2, 2, 1, 4, 3, 3, 1, 3, 2, 2, 1, 6, 5, 5, 1, 3, 2, 2, 1, 4, 3, 3, 1, 3, 2, 2, 1, 5, 4, 4, 1, 3, 2, 2, 1, 4, 3, 3, 1, 3, 2, 2, 1, 7, 6, 6, 1, 3, 2, 2, 1, 4, 3, 3, 1, 3, 2, 2, 1, 5, 4, 4, 1

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OFFSET

0,2

COMMENTS

Image of A001511 under the map x -> {1,x+2,x+1,x+1}. - Charlie Neder, Feb 25 2019

LINKS

Table of n, a(n) for n=0..80.

FORMULA

a(4n) = 1, a(4n+1)-2 = a(4n+2)-1 = a(4n+3)-1 = A001511(n) for all n >= 0. - M. F. Hasler, Feb 25 2019

PROG

(PARI) A050604(n)=if((n=divrem(n, 4))[2], valuation(n[1]+1, 2)+2+(n[2]<2), 1) \\ M. F. Hasler, Feb 25 2019

CROSSREFS

Cf. A050600, A001511.

Sequence in context: A200996 A154364 A183043 * A262672 A252731 A239066

Adjacent sequences: A050601 A050602 A050603 * A050605 A050606 A050607

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 22 1999

STATUS

approved