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.

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

Offset

1,3

Links

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

Mathematica

see A136140

Crossrefs

Cf. A136140.

Sequence in context: A207137 A355464 A143674 * A275837 A119510 A290095

Adjacent sequences: A136144 A136145 A136146 * A136148 A136149 A136150

Keyword

nonn

Author

Carlos Alves, Dec 16 2007

Status

approved