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A136147 Length of the cycles in which finish the sequences a(k+1)=sopfr(n a(k)+ D), with sopfr=A001414 and D=2. Similar to A136140 which has D=1. 2
1, 1, 2, 4, 18, 1, 1, 9, 5, 3, 5, 6, 15, 6, 48, 10, 1, 1, 25, 61, 65, 1, 3, 14, 16, 9, 1, 3, 8, 1, 26, 6, 86, 9, 2, 5, 4, 74, 3, 42, 10, 4, 59, 83, 52, 2, 46, 1, 10, 24, 3, 28, 59, 48, 82, 104, 58, 7, 6, 56, 57, 5, 30, 5, 83, 60, 105, 6, 3, 118, 50, 57, 1, 57, 84, 75, 89, 37, 39, 82, 59 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..81.

MATHEMATICA

see A136140

CROSSREFS

Cf. A136140.

Sequence in context: A063800 A207137 A143674 * A275837 A119510 A290095

Adjacent sequences:  A136144 A136145 A136146 * A136148 A136149 A136150

KEYWORD

nonn

AUTHOR

Carlos Alves, Dec 16 2007

STATUS

approved

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Last modified February 25 05:01 EST 2020. Contains 332217 sequences. (Running on oeis4.)