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.

A383496 Number of polyforms with n cells on the faces of a disdyakis triacontahedron up to rotation and reflection.

Original entry on oeis.org

1, 1, 3, 3, 9, 14, 38, 74, 185, 414, 1025, 2430, 6012, 14640, 36294, 89531, 222452, 552015, 1374367, 3421955, 8535077, 21296556, 53184718, 132846918, 331913842, 829176301, 2071018243, 5170617085, 12902719975, 32176288808
Offset: 0

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Author

Peter Kagey, Apr 28 2025

Keywords

Comments

These are "free" polyforms.
The disdyakis triacontahedron is the polyhedral dual of the truncated icosidodecahedron.

Crossrefs

Cf. A383497 (one-sided).
Cf. A030135 (dodecahedron), A030136 (icosahedron), A340635 (deltoidal hexecontahedron), A383490 (rhombic triacontahedron), A383492 (triakis icosahedron), A383494 (pentakis dodecahedron).
Cf. A197462 (kisrhombille tiling).

Extensions

a(14)-a(29) from Bert Dobbelaere, Jun 13 2025