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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A158787 a(n) = position of n in A076991. 0
1, 2, 14, 10, 27, 3, 68, 4, 21, 16, 5, 44, 23, 22, 48, 38, 6, 17, 42, 170, 7, 24, 63, 193, 13, 8, 40, 87, 25, 26, 19, 75, 53, 9, 41, 15, 61, 39, 47, 62, 20, 45, 11, 60, 33, 28, 118, 114, 29, 66, 167, 120, 12, 86, 137, 92, 175, 64, 78, 77, 84, 58, 59, 148, 90, 267, 37, 50, 82 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

A076991 is conjectured to be a permutation of the positive integers.

CROSSREFS

Cf. A076991 a(1) = 1, a(2) = 2, a(n) = smallest positive integer not occurring earlier such that the sum of three successive terms is a square.

Sequence in context: A191995 A168207 A082609 * A174706 A072163 A084674

Adjacent sequences:  A158784 A158785 A158786 * A158788 A158789 A158790

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Mar 26 2009

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 15 21:22 EST 2012. Contains 205856 sequences.