login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A005365 Hoggatt sequence.
(Formerly M1976)
1
1, 2, 10, 74, 782, 10562, 175826, 3457742, 78408332, 2005691690, 56970282514, 1772967273794, 59814500606018, 2168062920325850, 83802728579860658, 3432438439271783026, 148165335791410936770, 6708873999658599592672 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

D. C. Fielder and C. O. Alford, ``An investigation of sequences derived from Hoggatt sums and Hoggatt triangles,'' in G. E. Bergum et al., editors, Applications of Fibonacci Numbers: Proc. Third Internat. Conf. on Fibonacci Numbers and Their Applications, Pisa, Jul 25-29, 1988. Kluwer, Dordrecht, Vol. 3, 1990, pp. 77-88.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..17.

D. C. Fielder, Letter to N. J. A. Sloane, Jun 1988

D. C. Fielder & C. O. Alford, An investigation of sequences derived from Hoggatt Sums and Hoggatt Triangles, Application of Fibonacci Numbers, 3 (1990) 77-88. Proceedings of 'The Third Annual Conference on Fibonacci Numbers and Their Applications,' Pisa, Italy, July 25-29, 1988. (Annotated scanned copy)

FORMULA

a(n) = S(7,n) where S(d,n) is defined in A005364. - Sean A. Irvine, May 29 2016

MATHEMATICA

A005365[n_]:=HypergeometricPFQ[{-6-n, -5-n, -4-n, -3-n, -2-n, -1-n, -n}, {2, 3, 4, 5, 6, 7}, -1] (* Richard L. Ollerton (r.ollerton(AT)uws.edu.au), Sep 13 2006 *)

CROSSREFS

Cf. A005364.

Sequence in context: A092881 A004123 A086352 * A191812 A059104 A094071

Adjacent sequences:  A005362 A005363 A005364 * A005366 A005367 A005368

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Sean A. Irvine, May 29 2016

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 June 20 00:47 EDT 2019. Contains 324223 sequences. (Running on oeis4.)