First member R0(n) of the smallest positive pair (R0(n), S0(n)) for the n-th 1-happy number couple (B(n), C(n)).

A263006

First member R0(n) of the smallest positive pair (R0(n), S0(n)) for the n-th 1-happy number couple (B(n), C(n)).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =1a(5) =18a(6) =1a(7) =4a(8) =2a(9) =1a(10) =3a(11) =7a(12) =5a(13) =3a(14) =70a(15) =1a(16) =1a(17) =1a(18) =6a(19) =3a(20) =2a(21) =32a(22) =1a(23) =3a(24) =4a(25) =23a(26) =7a(27) =9a(28) =182a(29) =11

External references