A202661 Number of -5..5 arrays of n elements with first through fourth differences also in -5..5.

11, 91, 587, 2833, 10205, 37505, 136999, 501903, 1838983, 6737379, 24684959, 90444993, 331378703, 1214138477, 4448501629, 16298925281, 59717838711, 218801046307, 801668385089, 2937244370963, 10761811926301, 39430358807041

Offset: 1

Author

R. H. Hardin Dec 22 2011

Keywords

• nonn

Comments

Column 5 of A202664

Examples

			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
		

Links

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