A395401 1/a(n) is the gcd of all distinct resistance values in an n X n unit resistor grid.

1, 4, 24, 224, 6600, 102960, 907816, 2742986176, 14912840232, 3116518211677200, 58426583719847958824

Offset

0,2

Links

Table of n, a(n) for n=0..10.

Example

See comment in A014409.

Crossrefs

Cf. A014409 (number of distinct resistance distances).

Sequence in context: A318005 A224800 A348904 * A370875 A234012 A244760

Adjacent sequences: A395398 A395399 A395400 * A395402 A395403 A395404

Keyword

nonn,more

Author

Harri Aaltonen, Apr 21 2026

Extensions

a(7)-a(10) from Hugo Pfoertner, May 05 2026

Status

approved