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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A237071 Number of (n+1)X(3+1) 0..3 arrays with the upper median of every 2X2 subblock equal 1
15882, 1046822, 53940782, 3263989086, 195683299844, 12159520038142, 763699683972418, 48556387347813958, 3108197056553191364, 199983470160543029632, 12909164392694493796142, 835179086883786317018674 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237076

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 62

FORMULA

Empirical recurrence of order 62 (see link above)

EXAMPLE

Some solutions for n=1

..0..1..1..1....3..0..2..0....2..2..0..2....3..2..3..0....2..3..2..1

..1..0..2..1....0..2..0..2....1..2..0..3....3..3..3..0....1..0..2..1

CROSSREFS

Sequence in context: A031811 A234318 A174596 * A251848 A129473 A237681

Adjacent sequences:  A237068 A237069 A237070 * A237072 A237073 A237074

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 5 17:28 EST 2021. Contains 349557 sequences. (Running on oeis4.)