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!)
A083790 First column of A083788. 8
1, 1, 4, 6, 8, 23, 24, 1804, 1968, 8375, 53750, 243864, 639324, 41381620, 102621343, 7802708736, 7802708736, 178874468615, 1133934949368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

a(16) > 750000000. - Ray Chandler, Aug 21 2003

a(16) > 6.646*10^9. - David Wasserman, Jan 08 2006

a(18) > 10^11. [Donovan Johnson, Oct 24 2009]

a(20) > 10^13. Giovanni Resta, Jul 13 2015

LINKS

Table of n, a(n) for n=1..19.

CROSSREFS

Cf. A083788, A083789, A083791.

Cf. A034173. A124058 gives another version of the same sequence.

Sequence in context: A073437 A019196 A086561 * A217201 A074125 A063719

Adjacent sequences:  A083787 A083788 A083789 * A083791 A083792 A083793

KEYWORD

nonn,more

AUTHOR

Amarnath Murthy, May 07 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Aug 17 2003

More terms from Ray Chandler, Aug 21 2003

a(16)-a(17) from Donovan Johnson, Oct 24 2009

a(18)-a(19) from Giovanni Resta, Jul 13 2015

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 4 07:28 EST 2021. Contains 349478 sequences. (Running on oeis4.)