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!)
A184245 Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i)^2 equal to n^2*49 0
2, 4, 41, 31, 213, 176, 706, 571, 2355, 1508, 5431, 3445, 10802, 6673, 22692, 13525, 39450, 21062, 62786, 39829, 103520, 54727, 160264, 88909, 241185, 123101, 329276, 192191, 488530, 242300, 650781, 371934, 859075, 437857, 1241808, 621669, 1539413 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A184240

LINKS

Table of n, a(n) for n=1..37.

EXAMPLE

Some solutions for n=5

..0....5....2....2....1....2....2....1....1....4....4....4....4....2....4....4

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

..4....2....4....3....2....3....2....4....4....4....4....4....5....5....3....5

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

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

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

..4....2....1....4....2....0....1....4....0....2....2....1....4....2....2....4

CROSSREFS

Sequence in context: A012596 A292700 A012676 * A103105 A018312 A009547

Adjacent sequences:  A184242 A184243 A184244 * A184246 A184247 A184248

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 10 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 September 25 09:48 EDT 2020. Contains 337336 sequences. (Running on oeis4.)