A390153 Denominator of average duration of the game "Tug of Luck" played with n coins.

1, 2, 8, 28, 32, 224, 1664, 1504, 113152, 6906368, 40282112, 317692928, 2887917568, 102024814592, 704651886592, 788090680315904, 264783308914688, 2698422489401655296, 57567068757760147456, 1666083142741993455616, 96942943788068088315904, 1231661959770875114024861696

Offset

1,2

Comments

For more details see A390152.

Links

Table of n, a(n) for n=1..22.

Example

a(2) = 2 because the average game duration with two coins is 1/2.

Crossrefs

A390152 are the corresponding numerators.

Sequence in context: A299640 A197932 A170871 * A245996 A229935 A082107

Adjacent sequences: A390150 A390151 A390152 * A390154 A390155 A390156

Keyword

nonn,frac

Author

Ruediger Jehn, Oct 27 2025

Status

approved