cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A336742 Number of self-avoiding cycles of length 2n on the half-Manhattan lattice.

Original entry on oeis.org

1, 0, 1, 1, 2, 6, 17, 49, 156, 520, 1762, 6110, 21713, 78469, 287393, 1065951, 3998286, 15140500, 57817817, 222478829, 861952579, 3360043843, 13171307962
Offset: 0

Views

Author

Sean A. Irvine, Aug 02 2020

Keywords

Comments

In the half-Manhattan lattice, E-W streets run alternately E and W, but N-S streets are two way.

Links

Crossrefs

Cf. A336724 (self-avoiding walks), A006781 (Manhattan lattice), A006782 (L-lattice), A002931 (square lattice).

A336726 Number of n-step self-avoiding walks on the half-Manhattan lattice with no non-contiguous adjacencies.

Original entry on oeis.org

1, 3, 7, 13, 25, 47, 89, 169, 321, 599, 1125, 2097, 3925, 7317, 13667, 25389, 47313, 87781, 163265, 302617, 562023, 1040465, 1929879, 3569627, 6613725, 12223777, 22626357, 41790173, 77289525, 142665435, 263661315, 486420171, 898372311, 1656580751, 3057774587, 5636030345
Offset: 0

Views

Author

Sean A. Irvine, Aug 02 2020

Keywords

Comments

In the half-Manhattan lattice, E-W streets run alternately E and W, but N-S streets are two way.

Crossrefs

Cf. A336724 (self-avoiding walks), A336662 (Manhattan lattice), A173380 (square lattice).
Showing 1-2 of 2 results.

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