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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A091522 Graham-Pollak sequence with initial term 5. 3
5, 7, 10, 14, 20, 28, 40, 57, 81, 115, 163, 231, 327, 463, 655, 927, 1311, 1854, 2622, 3708, 5244, 7416, 10488, 14832, 20976, 29665, 41953, 59331, 83907, 118663, 167815, 237326, 335630, 474653, 671261, 949307, 1342523, 1898614, 2685046 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

Th. Stoll, On Families of Nonlinear Recurrences Related to Digits, Journal of Integer Sequences, Vol. 8 (2005), Article 05.3.2.

LINKS

Eric Weisstein's World of Mathematics, Graham-Pollak Sequence

FORMULA

a(n) = floor(sqrt(2) * (a(n-1) + 1/2))

CROSSREFS

Cf. A001521, A091523.

Sequence in context: A190035 A071911 A070875 * A020711 A183044 A133756

Adjacent sequences:  A091519 A091520 A091521 * A091523 A091524 A091525

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 18, 2004

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 16:11 EST 2012. Contains 205635 sequences.