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A183949 Number of strings of numbers x(i=1..n) in 0..5 with sum i^2*x(i) equal to n^2*5 1
1, 2, 4, 14, 53, 180, 656, 2195, 7250, 23044, 71123, 213368, 624425, 1784399, 4986210, 13657266, 36691985, 96863639, 251472815, 642811767, 1619203005, 4022796235, 9864987052, 23894800443, 57205375668, 135438579331, 317296680619 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A183953

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..54

EXAMPLE

All solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A038055 A006385 A322859 * A131180 A047990 A000939

Adjacent sequences:  A183946 A183947 A183948 * A183950 A183951 A183952

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified June 20 06:23 EDT 2021. Contains 345157 sequences. (Running on oeis4.)