a(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10.

A308055

a(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10.

Terms

    a(0) =2a(1) =5a(2) =23a(3) =48a(4) =22a(5) =15a(6) =39a(7) =63a(8) =251a(9) =501a(10) =224a(11) =474a(12) =689a(13) =2625a(14) =5124a(15) =22637a(16) =47579a(17) =68978a(18) =83053a(19) =28819a(20) =53684a(21) =2317a(22) =4814a(23) =6939a(24) =26342a(25) =51325a(26) =71642a(27) =84642a(28) =290933a(29) =1705676

External references