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A083789 Diagonal of A083788. 4
1, 2, 6, 9, 12, 28, 30, 1811, 1976, 8384, 53760, 243875, 639336, 41381633, 102621357, 7802708751, 7802708752, 178874468632, 1133934949386 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

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, A083790, A083791.

Sequence in context: A169915 A236760 A086562 * A003145 A184621 A184821

Adjacent sequences:  A083786 A083787 A083788 * A083790 A083791 A083792

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

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