Numbers needed to generate all other natural numbers, only allowing multiplication and addition. Each number can be used only once.
A086424
Numbers needed to generate all other natural numbers, only allowing multiplication and addition. Each number can be used only once.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =11a(4) =25a(5) =64a(6) =171a(7) =569a(8) =3406a(9) =27697a(10) =243374a(11) =1759619a(12) =28381401a(13) =222323189a(14) =3416307938a(15) =26838745347
External references
- oeis: A086424