Numbers n such that n''' = n''+ 1 where n'' and n''' are respectively the second and the third arithmetic derivative of n.

A189941

Numbers n such that n''' = n''+ 1 where n'' and n''' are respectively the second and the third arithmetic derivative of n.

Terms

    a(0) =186a(1) =258a(2) =322a(3) =338a(4) =3866a(5) =4326a(6) =4775a(7) =18830a(8) =19122a(9) =27586a(10) =34330a(11) =34538a(12) =41626a(13) =46762a(14) =49858a(15) =49922a(16) =54298a(17) =55810a(18) =70510a(19) =82122a(20) =86938a(21) =89102a(22) =101042a(23) =101706a(24) =106442a(25) =110510a(26) =112910a(27) =118586a(28) =120822a(29) =129722

External references