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Search: id:A100482
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A100482 a(1) = 1; a(n+1) = sum{k=1..n} ceiling(a(n+1-k)/k). +0
1
1, 1, 2, 4, 7, 12, 21, 34, 55, 88, 143, 227, 361, 572, 908, 1439, 2279, 3607, 5709, 9033, 14294, 22615, 35779, 56605, 89551, 141671, 224123, 354561, 560908, 887349, 1403769, 2220732, 3513150, 5557727, 8792198, 13909056, 22003809, 34809516 (list; graph; listen)
OFFSET

1,3

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

MAPLE

a[1]:=1: for n from 2 to 40 do a[n]:=sum(ceil(a[n-k]/k), k=1..n-1) od:seq(a[n], n=1..40);

CROSSREFS

Sequence in context: A094925 A079970 A079816 this_sequence A003293 A094974 A100671

Adjacent sequences: A100479 A100480 A100481 this_sequence A100483 A100484 A100485

KEYWORD

easy,nonn

AUTHOR

Leroy Quet Nov 22 2004

EXTENSIONS

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Dec 09 2004

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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