A214279 Number of compositions of n where the difference between largest and smallest parts equals 10 and adjacent parts are unequal.

0, 2, 1, 8, 12, 23, 56, 100, 196, 380, 734, 1365, 2588, 4852, 8987, 16728, 30868, 56876, 104463, 191425, 349855, 638239, 1162173, 2112115, 3833245, 6946126, 12570162, 22719408, 41016345, 73967704, 133257636, 239847038, 431310105, 774970862, 1391362755

Offset: 11

Author

Alois P. Heinz, Jul 09 2012

Keywords

• nonn

Examples

			a(12) = 2: [11,1], [1,11].
a(13) = 1: [1,11,1].
a(14) = 8: [2,12], [2,11,1], [2,1,11], [12,2], [11,2,1], [11,1,2], [1,2,11], [1,11,2].
a(15) = 12: [3,11,1], [3,1,11], [2,1,11,1], [11,3,1], [11,1,3], [11,1,2,1], [1,3,11], [1,2,11,1], [1,2,1,11], [1,11,3], [1,11,2,1], [1,11,1,2].
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 11..2000

Crossrefs

Column k=10 of A214269.