a(n) is the least number k such that {k, k^2, ..., k^n} are all odious numbers (A000069), but k^(n+1) is not.
A345399
a(n) is the least number k such that {k, k^2, ..., k^n} are all odious numbers (A000069), but k^(n+1) is not.
Terms
- a(0) =13a(1) =7a(2) =25a(3) =59a(4) =193a(5) =313a(6) =1447a(7) =103a(8) =2431a(9) =1305a(10) =29089a(11) =21117a(12) =10525a(13) =26663a(14) =63271a(15) =25127a(16) =106501a(17) =215735a(18) =1143579a(19) =5115041a(20) =810163a(21) =9554677a(22) =23932393a(23) =13101403a(24) =14299679a(25) =62266699a(26) =739155479a(27) =37795511a(28) =4015916137a(29) =3197105709
External references
- oeis: A345399