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A184436 Number of strings of numbers x(i=1..n) in 0..4 with sum i*x(i)^2 equal to n*16 1
1, 1, 3, 10, 32, 116, 368, 1235, 4321, 13396, 40668, 124627, 362283, 1030513, 2887111, 7874749, 21054468, 55326873, 142607396, 361404953, 901518960, 2213631284, 5356287900, 12780944283, 30087543948, 69923248394, 160510425840 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 4 of A184441

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..106

EXAMPLE

Some solutions for n=5

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

..3....2....4....4....2....4....4....0....3....4....4....2....4....2....0....0

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

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

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

CROSSREFS

Sequence in context: A261058 A306295 A134952 * A149028 A174573 A126183

Adjacent sequences:  A184433 A184434 A184435 * A184437 A184438 A184439

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 14 2011

STATUS

approved

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Last modified May 18 13:16 EDT 2021. Contains 343995 sequences. (Running on oeis4.)