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.

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A229540 Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

Original entry on oeis.org

0, 4212, 59626, 1379512, 26566266, 544403948, 10551803060, 205336122417, 3913347537410, 74172957575993, 1391260426025666, 25942784963976735, 480614597100202422, 8860662840757232528, 162602761260788194310
Offset: 1

Views

Author

R. H. Hardin, Sep 25 2013

Keywords

Comments

Row 7 of A229534.

Examples

			Some solutions for n=3:
  0 1 2   0 1 0   0 1 0   0 1 0   0 1 0   0 1 2   0 1 0
  0 1 2   0 1 0   0 2 0   0 1 0   0 2 2   0 1 0   1 2 0
  0 2 0   0 2 0   0 2 0   0 1 0   0 1 0   2 1 0   0 2 1
  1 2 0   0 1 0   0 2 0   2 1 2   0 2 0   0 2 0   0 2 0
  1 2 1   0 2 0   0 1 0   2 1 2   0 2 0   0 2 1   1 2 1
  1 2 1   1 2 1   2 2 0   0 0 2   1 2 1   1 2 1   1 2 1
  1 2 1   0 0 1   0 1 0   2 1 2   1 2 1   1 2 0   0 2 1
		

Crossrefs

Cf. A229534.

Formula

Empirical recurrence of order 92 (see link above).

A229528 Number of defective 3-colorings of an n X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

Original entry on oeis.org

0, 4, 58, 3064, 221096, 34811238, 10551803060, 6668992563052, 8651918812282962, 23339962598582951552, 131977442018454063156484, 1555694872005636764531499932, 38779168607364170627075586723246
Offset: 1

Views

Author

R. H. Hardin, Sep 25 2013

Keywords

Comments

Diagonal of A229534.

Examples

			Some solutions for n=3:
  0 1 2   0 0 1   0 1 0   0 1 2   0 1 1   0 1 2   0 1 2
  0 1 0   1 2 1   0 2 1   2 1 2   0 2 0   2 1 2   0 2 0
  2 2 0   1 2 0   0 2 0   2 0 1   1 2 1   2 0 0   0 2 0
		

Crossrefs

Cf. A229534.
Previous Showing 11-12 of 12 results.