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A192570 a(n) = floor(sqrt(Bell(n))) 5
1, 1, 1, 2, 3, 7, 14, 29, 64, 145, 340, 823, 2052, 5257, 13816, 37188, 102372, 287862, 825879, 2415107, 7191950, 21791507, 67132076, 210123786, 667801519, 2153738687, 7044944749, 23360587491, 78489103731 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..28.

MATHEMATICA

Table[Floor[Sqrt[BellB[n]]], {n, 0, 100}]

PROG

(Maxima) makelist(floor(sqrt(belln(n))), n, 0, 28);

CROSSREFS

Cf. A000110.

Sequence in context: A034065 A034075 A281716 * A019595 A112884 A103421

Adjacent sequences:  A192567 A192568 A192569 * A192571 A192572 A192573

KEYWORD

nonn

AUTHOR

Emanuele Munarini, Jul 04 2011

STATUS

approved

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Last modified October 22 11:53 EDT 2021. Contains 348168 sequences. (Running on oeis4.)