Numbers n which are both happy (A007770) and bihappy (A257795) numbers.

Terms

a(0) =1a(1) =10a(2) =100a(3) =103a(4) =301a(5) =367a(6) =608a(7) =806a(8) =1000a(9) =1030a(10) =3010a(11) =3056a(12) =5630a(13) =6080a(14) =6703a(15) =6791a(16) =8060a(17) =9167a(18) =10000a(19) =10003a(20) =10275a(21) =10300a(22) =11241a(23) =12770a(24) =12939a(25) =13929a(26) =14112a(27) =17027a(28) =17502a(29) =20175