Floor[ X/Y] where X = concatenation of the squares and Y = concatenation of natural numbers.

A067102

Floor[ X/Y] where X = concatenation of the squares and Y = concatenation of natural numbers.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =12a(4) =120a(5) =1208a(6) =12082a(7) =120821a(8) =1208216a(9) =12082165a(10) =120821655a(11) =1208216555a(12) =12082165556a(13) =120821655562

External references