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A186108
Denominator of the frequency of the n-th dropping time in the Collatz iteration.
3
2, 4, 16, 16, 128, 256, 256, 2048, 8192, 32768, 16384, 262144, 262144, 2097152, 8388608, 16777216, 33554432, 134217728, 536870912, 1073741824, 4294967296, 2147483648, 34359738368, 137438953472, 274877906944, 274877906944, 2199023255552, 4398046511104, 1099511627776, 35184372088832
OFFSET
1,1
COMMENTS
The numerators are in A186107.
FORMULA
a(n) = denominator of A186009(n) / 2^A020914(n-1).
CROSSREFS
Cf. A126241 (dropping times)
Sequence in context: A337109 A210579 A217863 * A131560 A067709 A229238
KEYWORD
nonn,frac
AUTHOR
T. D. Noe, Feb 12 2011
STATUS
approved