A028306 Triangle read by rows of numbers of permutations eliminating just card k out of n in game of Mousetrap.

1, 0, 0, 1, 0, 1, 2, 1, 1, 2, 9, 5, 5, 3, 9, 44, 31, 25, 20, 16, 44, 265, 203, 167, 142, 117, 96, 265, 1854, 1501, 1267, 1075, 932, 791, 675, 1854, 14833, 12449, 10745, 9311, 8241, 7132, 6205, 5413, 14833, 133496, 114955, 101005, 88993, 78607, 70340, 62141

Offset: 0

Author

N. J. A. Sloane

Keywords

• tabl
• nonn

References

• R. K. Guy, Unsolved Problems Number Theory, E37.
• R. K. Guy and R. J. Nowakowski, "Mousetrap," in D. Miklos, V. T. Sos and T. Szonyi, eds., Combinatorics, Paul Erdős is Eighty. Bolyai Society Math. Studies, Vol. 1, pp. 193-206, 1993.

Links

• R. K. Guy and R. J. Nowakowski, Mousetrap, Preprint, Feb 10 1993 [Annotated scanned copy]

Crossrefs

Diagonals include A000166, A002469. Cf. A028305.