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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 October 18 04:04 EDT 2018. Contains 316304 sequences. (Running on oeis4.)