Squares k that are not divisible by 10, and whose reverse and digit sum are also squares, such that the digit sum divides both k and its reverse.
A354078
Squares k that are not divisible by 10, and whose reverse and digit sum are also squares, such that the digit sum divides both k and its reverse.
Terms
- a(0) =1a(1) =4a(2) =9a(3) =144a(4) =441a(5) =10404a(6) =12321a(7) =40401a(8) =69696a(9) =1004004a(10) =1022121a(11) =1212201a(12) =4004001a(13) =4088484a(14) =4848804a(15) =100040004a(16) =100220121a(17) =102030201a(18) =121022001a(19) =400040001a(20) =400880484a(21) =404492544a(22) =420578064a(23) =445294404a(24) =460875024a(25) =484088004a(26) =617323716a(27) =10000400004a(28) =10002200121
External references
- oeis: A354078