A047782 Erroneous version of A002050.

1, 5, 25, 149, 1081, 9366, 94586, 1091670, 14174522, 204495125

Offset: 0

Author

N. J. A. Sloane, Jul 27 2015

Keywords

• dead

References

• N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

Links

• G. J. Simmons, A combinatorial problem associated with a family of combination locks, Math. Mag., 37 (1964), 127-132 (but there are errors).
• G. J. Simmons, A combinatorial problem associated with a family of combination locks, Math. Mag., 37 (1964), 127-132 [Annotated, corrected, scanned copy]