A055878 Least positive sequence with Hankel transform {1,1,1,1,1,...}.

1, 1, 2, 1, 6, 1, 43, 1, 7794, 1, 387355897233, 1, 58111569344245781528237519282283636, 1

Offset

1,3

Comments

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)}].

References

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.

Links

Table of n, a(n) for n=1..14.

M. Garcia Armas, B. A. Sethuraman, A note on the Hankel Transform of the Central Binomial Coefficients, JIS 11 (2008) 08.5.8

J. W. Layman, The Hankel Transform and Some of its Properties, J. Integer Sequences, 4 (2001), #01.1.5.

Crossrefs

Cf. A055877, A055564, A055879.

Sequence in context: A321597 A083720 A369925 * A331654 A346864 A302690

Adjacent sequences: A055875 A055876 A055877 * A055879 A055880 A055881

Keyword

nonn

Author

John W. Layman, Jul 15 2000

Extensions

Next term is too large to include.

Status

approved