A173513 - OEIS

A173513

a(n) = ceiling(A173510(n)/2).

1, 1, 2, 2, 3, 3, 4, 5, 7, 9, 11, 14, 18, 23, 30, 38, 49, 63, 80, 103, 132, 169, 216, 277, 355, 454, 582, 745, 954, 1222, 1565

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OFFSET

0,3

LINKS

FORMULA

a(n) = A173510(n) - floor(A173510(n)/2).

MATHEMATICA

l[0] = 2; l[1] = 1;

l[n_] := l[n] = l[n - 1] + l[n - 2] - Floor[l[n - 1]/2]

Table[l[n] - Floor[l[n]/2], {n, 0, 30}]

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved