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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A202661 Number of -5..5 arrays of n elements with first through fourth differences also in -5..5 1
11, 91, 587, 2833, 10205, 37505, 136999, 501903, 1838983, 6737379, 24684959, 90444993, 331378703, 1214138477, 4448501629, 16298925281, 59717838711, 218801046307, 801668385089, 2937244370963, 10761811926301, 39430358807041 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A202664

LINKS

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

EXAMPLE

Some solutions for n=6

.-2...-2...-3....1...-1...-1....1....0....5...-2....0....3....2....2...-3....5

.-3....3...-4....2....1...-3....3....3....0...-2....3...-2....2...-2....0....4

.-2....3...-4....4....0...-1....3....1....0...-2....2...-2....0...-3...-1....1

..1....1...-3....5....0....2....2...-2....0...-3....0...-1...-1...-3...-3...-1

..1...-3....0....3....2....2....0...-4....0...-3....0....1....1...-4...-3....0

.-4...-4....5....1....3....0...-5...-3....2....1....0....3....3...-3...-1....3

CROSSREFS

Sequence in context: A088776 A088778 A293611 * A202121 A201085 A055083

Adjacent sequences:  A202658 A202659 A202660 * A202662 A202663 A202664

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 22 2011

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 7 10:36 EDT 2022. Contains 357270 sequences. (Running on oeis4.)