login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A294058 Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals nine. 2
4140, 49697, 455371, 3756660, 29303172, 220506007, 1616326536, 11602806171, 81849519019, 569127774789, 3911294945801, 26619412609350, 179676383034601, 1204239150572143, 8022049955315373, 53157083625640443, 350620610289045902, 2303382775646163099, 15078600881355124553 (list; graph; refs; listen; history; text; internal format)
OFFSET

10,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 10..1000

FORMULA

a(n) = A287281(n) - A287280(n).

CROSSREFS

Column k=9 of A287213.

Cf. A287280, A287281.

Sequence in context: A251650 A270772 A320559 * A255948 A273658 A107541

Adjacent sequences:  A294055 A294056 A294057 * A294059 A294060 A294061

KEYWORD

nonn,easy

AUTHOR

Alois P. Heinz, Oct 22 2017

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 6 13:45 EST 2021. Contains 349563 sequences. (Running on oeis4.)