A078207 A078206(n)/A000422(n)

1, 6, 384, 2856, 22727, 188679, 1612903, 14084506, 124999999, 112359549631, 1111234572418, 1019369022515831, 9409019496692991, 873646201597158837, 815363874644766139852, 76437144029054504848414, 719381682508917578872474, 679393593475575516018040602

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Example

a(3) = 384 = 123264/321.

Crossrefs

Cf. A078206.

Sequence in context: A233212 A270558 A245398 * A261296 A060871 A370845

Adjacent sequences: A078204 A078205 A078206 * A078208 A078209 A078210

Keyword

base,nonn

Author

Amarnath Murthy, Nov 22 2002

Extensions

Edited and extended by Max Alekseyev, May 13 2009

Status

approved