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A100482 a(1) = 1; a(n+1) = sum{k=1..n} ceiling(a(n+1-k)/k). 0
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; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..38.

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: A168368 A305106 A182746 * A301762 A003293 A192759

Adjacent sequences:  A100479 A100480 A100481 * A100483 A100484 A100485

KEYWORD

easy,nonn

AUTHOR

Leroy Quet, Nov 22 2004

EXTENSIONS

More terms from Emeric Deutsch, Dec 09 2004

STATUS

approved

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Last modified November 14 10:04 EST 2019. Contains 329111 sequences. (Running on oeis4.)