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A262553 Square array read by antidiagonals: number of ways of making change when coins have values 1,2,4,8,16,... 3
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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,13

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]

EXAMPLE

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,...

...

CROSSREFS

See A181322 for another version of this array.

Row 3 is A002620.

Sequence in context: A115412 A290217 A293285 * A247506 A182172 A143841

Adjacent sequences:  A262550 A262551 A262552 * A262554 A262555 A262556

KEYWORD

nonn,tabl

AUTHOR

N. J. A. Sloane, Oct 09 2015

STATUS

approved

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Last modified February 17 19:54 EST 2018. Contains 299296 sequences. (Running on oeis4.)