A226671 Integer k associated with the conjectured record-breaking length A226670(n) of primitive Collatz-like 3x+k cycles.

1, 5, 17, 23, 29, 61, 85, 107, 125, 139, 143, 197, 253, 313, 371, 509, 563, 1135, 1163, 1307, 1699, 3299, 8431, 11491, 16819, 22097, 24917, 49787, 67475, 76733, 99391, 110273, 111611, 144379, 273641, 308219

Offset

1,2

Links

Table of n, a(n) for n=1..36.

Crossrefs

Cf. A226672, A226687.

Sequence in context: A260427 A091209 A307471 * A226674 A309770 A054997

Adjacent sequences: A226668 A226669 A226670 * A226672 A226673 A226674

Keyword

nonn

Author

Geoffrey H. Morley, Jun 16 2013

Status

approved