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A200780 a(n) = number of i in the range 1 <= i <= n such that b(i)=b(n), where b is the sequence A181391 taken with offset 1. 0
1, 2, 1, 3, 1, 4, 2, 3, 2, 1, 5, 1, 6, 4, 2, 2, 1, 7, 3, 1, 8, 2, 5, 1, 9, 2, 2, 3, 3, 1, 10, 4, 4, 4, 1, 11, 5, 5, 6, 6, 1, 12, 5, 1, 13, 6, 1, 14, 7, 8, 3, 1, 15, 7, 2, 1, 16, 3, 1, 17, 9, 2, 1, 18, 4, 1, 19, 10, 2, 11, 7, 1, 20, 6, 2, 12, 7, 13, 8, 2, 1, 21, 3, 1, 22, 14, 3, 3, 1, 23, 8, 1, 24, 15, 4, 5, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..97.

MAPLE

See A200779.

CROSSREFS

Sequence in context: A108466 A211110 A325828 * A194943 A087145 A117172

Adjacent sequences:  A200777 A200778 A200779 * A200781 A200782 A200783

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 22 2011

STATUS

approved

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Last modified October 16 18:56 EDT 2019. Contains 328102 sequences. (Running on oeis4.)