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A055878 Least positive sequence with Hankel transform {1,1,1,1,1,...}. 1
1, 1, 2, 1, 6, 1, 43, 1, 7794, 1, 387355897233, 1, 58111569344245781528237519282283636, 1 (list; graph; refs; listen; history; text; internal format)
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: A277440 A321597 A083720 * A302690 A030304 A248779

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

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Last modified January 20 06:50 EST 2019. Contains 319325 sequences. (Running on oeis4.)