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

A023133

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

External references