a(n) = (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026250. Also a(n) = position of n in A026252.
A026252
a(n) = (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026250. Also a(n) = position of n in A026252.
Terms
- a(0) =2a(1) =1a(2) =7a(3) =9a(4) =12a(5) =14a(6) =3a(7) =19a(8) =4a(9) =24a(10) =26a(11) =5a(12) =31a(13) =6a(14) =36a(15) =38a(16) =41a(17) =43a(18) =8a(19) =48a(20) =50a(21) =53a(22) =55a(23) =10a(24) =60a(25) =11a(26) =65a(27) =67a(28) =70a(29) =72
External references
- oeis: A026252