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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

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Last modified December 8 20:37 EST 2021. Contains 349596 sequences. (Running on oeis4.)