a(n), for n >= 2, is smallest positive integer which is consistent with sequence being monotonically increasing and satisfying a(a(n)) = 2n.
A007378
a(n), for n >= 2, is smallest positive integer which is consistent with sequence being monotonically increasing and satisfying a(a(n)) = 2n.
Terms
- a(0) =3a(1) =4a(2) =6a(3) =7a(4) =8a(5) =10a(6) =12a(7) =13a(8) =14a(9) =15a(10) =16a(11) =18a(12) =20a(13) =22a(14) =24a(15) =25a(16) =26a(17) =27a(18) =28a(19) =29a(20) =30a(21) =31a(22) =32a(23) =34a(24) =36a(25) =38a(26) =40a(27) =42a(28) =44a(29) =46
External references
- oeis: A007378