A292429 Number of matchings in the n-Apollonian network.

10, 99, 38613, 377686178656

Offset

1,1

Links

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Apollonian Network

Eric Weisstein's World of Mathematics, Independent Edge Set

Eric Weisstein's World of Mathematics, Matching

Crossrefs

Cf. A027610, A289022, A289722, A291773, A289021, A292002, A289521, A192792, A193128.

Sequence in context: A138365 A190823 A187019 * A145644 A317055 A284200

Adjacent sequences: A292426 A292427 A292428 * A292430 A292431 A292432

Keyword

nonn,more

Author

Eric W. Weisstein, Sep 30 2017

Status

approved