OFFSET
1,4
LINKS
Eric W. Weisstein, Table of n, a(n) for n = 1..68
Eric Weisstein's World of Mathematics, Hypercube Graph
Eric Weisstein's World of Mathematics, Matching-Generating Polynomial
EXAMPLE
Rows as matching-generating polynomials:
1 + x,
1 + 4*x + 2*x^2
1 + 12*x + 42*x^2 + 44*x^3 + 9*x^4
1 + 32*x + 400*x^2 + 2496*x^3 + 8256*x^4 + 14208*x^5 + 11648*x^6 + 3712*x^7 + 272*x^8
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Eric W. Weisstein, Apr 03 2018
STATUS
approved