A002543 Complete Post functions of n variables. (Formerly M2098 N0830)

0, 2, 16, 980, 9332768

Offset

1,2

References

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

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Wheeler, Roger F.; Complete propositional connectives. Z. Math. Logik Grundlagen Math. 7 1961 185-198.

Wheeler, Roger F.; Complete connectives for the 3-valued propositional calculus. Proc. London Math. Soc. (3) 16 1966 167-191.

Links

Table of n, a(n) for n=1..5.

R. F. Wheeler, Complete propositional connectives, Z. Math. Logik Grundlagen Math. 7 1961 185-198. [Annotated scanned copy]

R. F. Wheeler, An asymptotic formula for the number of complete propositional connectives, Z. Math. Logik Grundlagen Math. 8 (1962), 1-4. [Annotated scanned copy]

R. F. Wheeler, Complete connectives for the 3-valued propositional calculus, Proc. London Math. Soc. (3) 16 (1966), 167-191. [Annotated scanned copy]

Crossrefs

Cf. A002542, A002857.

Sequence in context: A306000 A084595 A273193 * A125791 A102103 A337070

Adjacent sequences: A002540 A002541 A002542 * A002544 A002545 A002546

Keyword

nonn,more

Author

N. J. A. Sloane

Status

approved