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A097052 First occurrence of n in A096036 or 0 if n does not appear. 1
1, 2, 5, 7, 19, 17, 25, 29, 0, 73, 65, 67, 99, 97, 113, 121, 0, 0, 301, 289, 0, 257, 265, 277, 393, 401, 421, 385, 451, 449, 481, 497, 0, 0, 0, 0, 0, 1201, 1161, 1153, 0, 0, 1025, 1033, 1059, 1057, 1105, 1129, 0, 1569, 1613, 1601, 1681, 1697, 1537, 1541, 1801, 1825 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Not appearing in A096036 are 9, 17, 18, 21, 33, 34, 35, 36, 37, 41, 42, 49, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 77, 81, 82, 83, 84, 85, 97, 98, 105, ...,.
LINKS
FORMULA
A096036: a(n)= ceiling(n/a(ceiling(n/2))) with a(1) = 1.
MATHEMATICA
a[1] = 1; a[n_] := a[n] = Ceiling[ n / a[ Ceiling[n/2]]]; t = Table[ a[n], {n, 2000}]; b[n_] := Block[{p = Position[t, n, 1, 1]}, If[p == {}, 0, p]]; Flatten[ Table[ b[n], {n, 60}]]
CROSSREFS
Cf. A096036.
Sequence in context: A341322 A173929 A173299 * A102937 A045358 A128005
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified May 20 01:45 EDT 2024. Contains 372703 sequences. (Running on oeis4.)