The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A275094 Number of 6Xn 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2. 1
 122, 17496, 29120, 111900, 647648, 5038428, 38872396, 303675960, 2423227760, 19202061888, 152553328244, 1215089208420, 9668080103560, 76882965502680, 612018920913868, 4870269177219740, 38747349177636904, 308437956528230860 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A275090. LINKS R. H. Hardin, Table of n, a(n) for n = 1..171 EXAMPLE Some solutions for n=4 ..0..0..1..2. .0..1..1..0. .0..1..1..0. .0..1..1..2. .0..1..1..0 ..1..2..2..1. .0..1..1..2. .1..1..2..2. .0..2..1..0. .2..2..1..0 ..1..2..2..0. .0..1..2..2. .2..2..0..0. .0..2..2..0. .2..1..0..0 ..2..0..0..1. .1..2..2..0. .2..2..0..1. .2..2..1..0. .1..0..0..2 ..1..0..0..1. .1..2..2..0. .2..0..0..1. .2..2..1..0. .0..0..2..2 ..1..0..2..1. .2..0..0..1. .1..0..0..1. .2..1..1..0. .0..0..1..2 CROSSREFS Cf. A275090. Sequence in context: A097843 A223385 A241375 * A275350 A208565 A209098 Adjacent sequences:  A275091 A275092 A275093 * A275095 A275096 A275097 KEYWORD nonn AUTHOR R. H. Hardin, Jul 16 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 20 20:08 EST 2020. Contains 332084 sequences. (Running on oeis4.)