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 A245588 The minimal number of coins needed to make change for n units in a currency system with coins of value 1,2,5,13,34,89,...,Fibonacci(2k-1). 2
 0, 1, 1, 2, 2, 1, 2, 2, 3, 3, 2, 3, 3, 1, 2, 2, 3, 3, 2, 3, 3, 4, 4, 3, 4, 4, 2, 3, 3, 4, 4, 3, 4, 4, 1, 2, 2, 3, 3, 2, 3, 3, 4, 4, 3, 4, 4, 2, 3, 3, 4, 4, 3, 4, 4, 5, 5, 4, 5, 5, 3, 4, 4, 5, 5, 4, 5, 5, 2, 3, 3, 4, 4, 3, 4, 4, 5, 5, 4, 5, 5, 3, 4, 4, 5, 5, 4, 5, 5, 1, 2, 2, 3, 3, 2, 3, 3, 4, 4, 3, 4, 4, 2, 3, 3, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..10000 EXAMPLE a(12) = 3 because the minimal number of coins needed to make 12 = 2+5+5 is 3. CROSSREFS Cf. A000045, A089197. Sequence in context: A345220 A265744 A331083 * A014420 A029289 A181834 Adjacent sequences:  A245585 A245586 A245587 * A245589 A245590 A245591 KEYWORD nonn AUTHOR Colin Barker, Jul 26 2014 EXTENSIONS a(0)=0 prepended by Alois P. Heinz, May 26 2015 STATUS approved

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Last modified June 23 13:59 EDT 2021. Contains 345402 sequences. (Running on oeis4.)