a(1) = 1, a(n) = smallest positive number not yet in the sequence such that the concatenation of a(n-1) and a(n) is a square.

A264770

a(1) = 1, a(n) = smallest positive number not yet in the sequence such that the concatenation of a(n-1) and a(n) is a square.

Terms

    a(0) =1a(1) =6a(2) =4a(3) =9a(4) =61a(5) =504a(6) =100a(7) =489a(8) =2944a(9) =656a(10) =3844a(11) =34449a(12) =85636a(13) =516a(14) =961a(15) =6201a(16) =5625a(17) =43524a(18) =36729a(19) =7225a(20) =344a(21) =569a(22) =2996a(23) =361a(24) =201a(25) =64a(26) =1601a(27) =6004a(28) =7001a(29) =316

External references