A200329 T(n,k)=Number of 0..k arrays x(0..n+2) of n+3 elements with zero n-1st differences.
1, 1, 2, 1, 3, 2, 1, 4, 3, 2, 1, 5, 4, 3, 2, 1, 6, 5, 4, 3, 2, 1, 7, 8, 5, 4, 3, 2, 1, 8, 11, 6, 5, 4, 3, 2, 1, 9, 14, 13, 6, 5, 4, 3, 2, 1, 10, 17, 20, 13, 6, 5, 4, 3, 2, 1, 11, 20, 27, 28, 9, 6, 5, 4, 3, 2, 1, 12, 25, 36, 43, 26, 7, 6, 5, 4, 3, 2, 1, 13, 30, 49, 58, 49, 18, 7, 6, 9, 4, 3, 2, 1, 14, 35, 62
Offset: 1
Examples
Some solutions for n=9 k=9 ..9....0....5....5....3....3....0....9....8....5....2....7....5....7....0....5 ..9....8....5....5....3....4....0....0....9....2....9....7....5....6....5....8 ..9....6....5....8....3....3....0....6....5....5....5....7....2....7....6....2 ..9....2....5....5....3....5....0....5....2....9....2....7....5....5....4....1 ..9....0....5....1....3....7....1....1....1....9....2....6....9....3....3....5 ..9....1....5....1....3....7....3....0....1....5....3....4....9....3....4....9 ..9....4....5....5....3....6....5....2....1....1....3....2....5....4....5....9 ..9....7....5....9....3....6....6....3....1....1....2....1....1....4....4....5 ..9....8....5....9....3....7....6....1....2....5....2....1....1....3....2....1 ..9....6....5....5....3....6....6....0....5....8....5....1....5....4....3....2 ..9....2....5....2....3....1....6....6....9....5....9....1....8....9....8....8 ..9....0....5....5....3....3....0....9....8....5....2....7....5....7....0....5
Links
- R. H. Hardin, Table of n, a(n) for n = 1..291
Crossrefs
Row 3 is A008812
Comments