Numbers k that are a substring of xPy where k=concatenation(x,y) and xPy is the number of permutations A008279(x,y).

A359012

Numbers k that are a substring of xPy where k=concatenation(x,y) and xPy is the number of permutations A008279(x,y).

Terms

    a(0) =318a(1) =557a(2) =692a(3) =729a(4) =2226a(5) =2437a(6) =2776a(7) =3209a(8) =4436a(9) =5336a(10) =5549a(11) =5718a(12) =5956a(13) =6068a(14) =6141a(15) =6353a(16) =6958a(17) =7045a(18) =7046a(19) =7338a(20) =7345a(21) =7643a(22) =7865a(23) =8261a(24) =8409a(25) =9153a(26) =9178a(27) =9242a(28) =9544a(29) =9569

External references