Signature sequence of e (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x).

A023123

Signature sequence of e (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x).

Terms

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

External references