The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A277655 Number of n X 4 0..2 arrays with every element equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2. 1
 0, 2, 47, 988, 18754, 376200, 7393463, 146226480, 2887603008, 57051216021, 1127051412486, 22265930239751, 439877330194814, 8690100341205478, 171679023552691198, 3391641194032785411, 67004275330116215523 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 4 of A277659. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..2..0. .0..1..2..0. .0..1..2..0. .0..1..0..2. .0..1..2..0 ..2..1..0..1. .2..0..0..1. .2..1..0..1. .2..2..0..1. .2..0..2..1 ..0..1..0..2. .1..2..0..2. .0..2..0..2. .1..0..0..2. .1..0..0..0 ..1..2..1..0. .0..1..1..0. .0..1..0..1. .1..2..0..1. .2..1..1..2 CROSSREFS Cf. A277659. Sequence in context: A276509 A120050 A112783 * A246543 A119776 A087265 Adjacent sequences: A277652 A277653 A277654 * A277656 A277657 A277658 KEYWORD nonn AUTHOR R. H. Hardin, Oct 26 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 14 12:23 EDT 2024. Contains 371661 sequences. (Running on oeis4.)