Signature sequence of 1/sqrt(7) (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x).

A023120

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

External references