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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A055878 Least positive sequence with Hankel transform {1,1,1,1,1,...}. 1

%I

%S 1,1,2,1,6,1,43,1,7794,1,387355897233,1,

%T 58111569344245781528237519282283636,1

%N Least positive sequence with Hankel transform {1,1,1,1,1,...}.

%C Hankel transform {t(n)} of {a(n)} is given by t(n) = Det[{a(1), a(2), ..., a(n)}, {a(2), a(3), ..., a(n+1)}, ..., {a(n), a(n+1), ..., a(2n-1)}].

%D M M Mangontarum, O I Cauntongan, A P Macodi-Ringia, The Noncentral Version of the Whitney Numbers: A Comprehensive Study, International Journal of Mathematics and Mathematical Sciences, Volume 2016, Article ID 6206207, 16 pages; http://dx.doi.org/10.1155/2016/6206207. See reference 21.

%H M. Garcia Armas, B. A. Sethuraman, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL11/Sethuraman/sethuraman2.html">A note on the Hankel Transform of the Central Binomial Coefficients</a>, JIS 11 (2008) 08.5.8

%H J. W. Layman, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL4/LAYMAN/hankel.html">The Hankel Transform and Some of its Properties</a>, J. Integer Sequences, 4 (2001), #01.1.5.

%Y Cf. A055877, A055564, A055879.

%K nonn

%O 1,3

%A _John W. Layman_, Jul 15 2000

%E Next term is too large to include.

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 August 12 23:19 EDT 2020. Contains 336440 sequences. (Running on oeis4.)