Take the sequence of natural numbers (A000027) and reverse successive subsequences of lengths 1,3,5,7,...

A020703

Take the sequence of natural numbers (A000027) and reverse successive subsequences of lengths 1,3,5,7,...

Terms

    a(0) =1a(1) =4a(2) =3a(3) =2a(4) =9a(5) =8a(6) =7a(7) =6a(8) =5a(9) =16a(10) =15a(11) =14a(12) =13a(13) =12a(14) =11a(15) =10a(16) =25a(17) =24a(18) =23a(19) =22a(20) =21a(21) =20a(22) =19a(23) =18a(24) =17a(25) =36a(26) =35a(27) =34a(28) =33a(29) =32

External references