A065784 a(1) = 36; for n > 1, a(n) is the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square.

36, 19, 603, 155636, 4615730086, 8967254090271143, 56096202719698239565812734781810166, 45033337806374635393337595037647446798889403018884984457350362192958678

Offset

1,1

Links

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

Crossrefs

Cf. A061359, A065691, A065782, A065783.

Sequence in context: A033973 A033356 A158955 * A081726 A196044 A196041

Adjacent sequences: A065781 A065782 A065783 * A065785 A065786 A065787

Keyword

base,nonn

Author

Klaus Brockhaus, Nov 19 2001

Extensions

More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Dec 18 2001

Status

approved