A065790 a(1) = 64; 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.

64, 17, 604, 9612, 85848855, 109457393440691436, 16484027824615378535694780556419522, 2537811713051483817817710620248313487995814710180147690293469081793581

Offset

1,1

Comments

a(n) = A061361(n+1) for n > 1.

Links

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

Crossrefs

Cf. A061359, A061361, A065691, A065788, A065789.

Sequence in context: A210114 A236179 A226044 * A147792 A304229 A305039

Adjacent sequences: A065787 A065788 A065789 * A065791 A065792 A065793

Keyword

base,nonn

Author

Klaus Brockhaus, Nov 19 2001

Status

approved