login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A050634 a(n+1) is next smallest square ending with a(n), initial term is 1. 13
1, 81, 1681, 1461681, 220861461681, 31071113326220861461681, 36510705834446371569631071113326220861461681, 268496773864458678522722709023395604054900436510705834446371569631071113326220861461681 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..8.

MATHEMATICA

d[n_]:=IntegerDigits[n]; t={m=1}; Do[If[Take[d[x=n^2], -Length[y=d[m]]]==y, AppendTo[t, m=x]], {n, Flatten[Table[10k+{-1, 1}, {k, 50000}]]}]; t (* Jayanta Basu, May 30 2013 *)

CROSSREFS

Cf. A050635, A048557, A050628.

Sequence in context: A237404 A237549 A107914 * A065791 A237503 A268974

Adjacent sequences:  A050631 A050632 A050633 * A050635 A050636 A050637

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jul 15 1999

EXTENSIONS

More terms from Jonathan Cross (jcross(AT)wcox.com), Oct 09 2001

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 September 27 00:14 EDT 2020. Contains 337378 sequences. (Running on oeis4.)