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Search: id:A102890
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A102890 A102889(n) is at least a(n). +0
2
3, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 20, 21, 22, 23, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34, 34, 35, 36, 36, 37, 37, 38, 38, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 46, 46, 47, 47, 48, 48, 49, 49, 50, 50, 51, 51, 52 (list; graph; listen)
OFFSET

1,1

FORMULA

Ceiling(3*n^(2/3))

EXAMPLE

a(8) = 12 because ceiling(3*8^(2/3)) = ceiling(12) = 12

MATHEMATICA

Table[Ceiling[3*n^(2/3)], {n, 1, 85}]

CROSSREFS

Cf. A102889.

Sequence in context: A036593 A086674 A137203 this_sequence A008520 A100318 A167707

Adjacent sequences: A102887 A102888 A102889 this_sequence A102891 A102892 A102893

KEYWORD

easy,nonn

AUTHOR

Joseph Biberstine (jrbibers(AT)indiana.edu), Jan 16 2005

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


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