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

Author

Klaus Brockhaus, Nov 19 2001

Keywords

• base
• nonn

Comments

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

Crossrefs

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