The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A192576 a(n) = sum(binomial(n,k)*floor(sqrt(Bell(k))),k=0..n). 0
 1, 2, 4, 9, 22, 58, 163, 478, 1439, 4415, 13780, 43757, 141400, 465016, 1555961, 5294885, 18315089, 64357854, 229601019, 831132731, 3051030786, 11351968321, 42788503744, 163309466037, 630861836558, 2465577001903, 9745376900983 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..26. MATHEMATICA Table[Sum[Binomial[n, k]Floor[Sqrt[BellB[k]]], {k, 0, n}], {n, 0, 100}] PROG (Maxima) makelist(sum(binomial(n, k)*floor(sqrt(belln(k))), k, 0, n), n, 0, 28); CROSSREFS Cf. A192570, A192571, A192572, A192573, A192574. The Bell numbers are A000110. Sequence in context: A249563 A124380 A176084 * A059019 A249560 A121953 Adjacent sequences: A192573 A192574 A192575 * A192577 A192578 A192579 KEYWORD nonn AUTHOR Emanuele Munarini, Jul 04 2011 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 21 06:08 EDT 2024. Contains 374463 sequences. (Running on oeis4.)