Numbers k such that z(k) = j(k), where z(k) = sopf(k - d(k)), j(k) = d(sopf(k) + k), sopf(k) = A008472(k) and d(k) = A000005(k).

A063961

Numbers k such that z(k) = j(k), where z(k) = sopf(k - d(k)), j(k) = d(sopf(k) + k), sopf(k) = A008472(k) and d(k) = A000005(k).

Terms

    a(0) =6a(1) =24a(2) =40a(3) =516a(4) =532a(5) =679a(6) =1219a(7) =1581a(8) =1790a(9) =2196a(10) =2212a(11) =3060a(12) =3182a(13) =4120a(14) =4266a(15) =5816a(16) =9084a(17) =9812a(18) =11648a(19) =11911a(20) =13532a(21) =16488a(22) =16904a(23) =17016a(24) =17436a(25) =20448a(26) =20460a(27) =21129a(28) =23962a(29) =25356

External references