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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A183946 Number of strings of numbers x(i=1..n) in 0..2 with sum i^2*x(i) equal to n^2*2 2
1, 1, 2, 1, 5, 7, 10, 20, 37, 77, 118, 227, 385, 697, 1191, 2072, 3489, 5846, 9862, 16373, 26897, 44125, 71991, 116290, 187653, 300903, 478422, 761553, 1200692, 1893309, 2961406, 4630296, 7188253, 11155170, 17211745, 26490317, 40633554, 62126693 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 2 of A183953

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..88

EXAMPLE

All solutions for n=4

..0

..0

..0

..2

CROSSREFS

Sequence in context: A105459 A227048 A139133 * A293719 A291377 A005297

Adjacent sequences:  A183943 A183944 A183945 * A183947 A183948 A183949

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 18 23:08 EDT 2021. Contains 344008 sequences. (Running on oeis4.)