A087361 For n > 2, a(n) = smallest square > a(n-1) and congruent to a(n-1) (mod a(n-2)).

1, 4, 9, 25, 169, 1369, 17424, 1530169, 10067929, 2331716784016, 20982766683025, 84954282130303718617809, 1071969624008488268518009, 313250759663896347514851738121261643934677776

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Example

a(6) == a(5) (mod a(4)).
1444 == 169 (mod 25).
1369 equals 169 (mod 25).

Crossrefs

Cf. A087362.

Sequence in context: A087374 A081948 A191273 * A340642 A090117 A329125

Adjacent sequences: A087358 A087359 A087360 * A087362 A087363 A087364

Keyword

nonn

Author

Amarnath Murthy, Sep 08 2003

Extensions

More terms from David Wasserman, May 23 2005

Status

approved