Every integer eventually goes to one of these under the "x goes to sum of squares of digits of x" map.
A039943
Every integer eventually goes to one of these under the "x goes to sum of squares of digits of x" map.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =16a(4) =20a(5) =37a(6) =42a(7) =58a(8) =89a(9) =145
External references
- oeis: A039943