A262553 Square array read by antidiagonals: number of ways of making change when coins have values 1,2,4,8,16,...

1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 2, 3, 1, 0, 1, 1, 2, 4, 4, 1, 0, 1, 1, 2, 4, 6, 5, 1, 0, 1, 1, 2, 4, 6, 9, 6, 1, 0, 1, 1, 2, 4, 6, 10, 12, 7, 1, 0, 1, 1, 2, 4, 6, 10, 14, 16, 8, 1, 0, 1, 1, 2, 4, 6, 10, 14, 20, 20, 9, 1, 0, 1, 1, 2, 4, 6, 10, 14, 20, 26, 25, 10, 1, 0

Offset: 0

Author

N. J. A. Sloane, Oct 09 2015

Keywords

• nonn
• tabl

Examples

			Rows 0,1,2,3,... are:
1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,...
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,...
1,1,2,3,4,5,6,7,8,9,10,11,12,13,...
1,1,2,4,6,9,12,16,20,25,30,36,...
1,1,2,4,6,10,14,20,26,35,44,56,...
1,1,2,4,6,10,14,20,26,36,46,60,...
...
		

Links

• Alois P. Heinz, Antidiagonals n = 0..140, flattened
• G. Blom and C.-E. Froeberg, Om myntvaexling (On money-changing) [Swedish], Nordisk Matematisk Tidskrift, 10 (1962), 55-69, 103. [Annotated scanned copy]

Crossrefs

See A181322 for another version of this array.

Row 3 is A002620.