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A268224 Closed simply-typed lambda terms with at most one free variable. 0
3, 10, 45, 256, 1688, 12671, 105743, 969032, 9639606 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

P. Tarau, A Logic Programming Playground for Lambda Terms, Combinators, Types and Tree-based Arithmetic Computations, arXiv preprint arXiv:1507.06944 [cs.LO], 2015.

CROSSREFS

Sequence in context: A006220 A020026 A077002 * A003704 A292181 A236409

Adjacent sequences:  A268221 A268222 A268223 * A268225 A268226 A268227

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jan 30 2016

STATUS

approved

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Last modified April 15 20:40 EDT 2021. Contains 342977 sequences. (Running on oeis4.)