28304640

Appears in sequences

• Theta series of lattice A_2 tensor E_7 (dimension 14, determinant 8748, minimal norm 4).at n=13A033699
• Number of 6-ary Lyndon words of length n with trace 0 and subtrace 1 over Z_6.at n=12A074423
• Number of 6-ary Lyndon words of length n with trace 0 and subtrace 5 over Z_6.at n=12A074427
• Number of 6-ary Lyndon words of length n with trace 1 and subtrace 1 over Z_6.at n=12A074429
• Number of 6-ary Lyndon words of length n with trace 1 and subtrace 5 over Z_6.at n=12A074433
• Number of 6-ary Lyndon words of length n with trace 2 and subtrace 1 over Z_6.at n=12A074435
• Number of 6-ary Lyndon words of length n with trace 2 and subtrace 5 over Z_6.at n=12A074439
• Number of 6-ary Lyndon words of length n with trace 3 and subtrace 1 over Z_6.at n=12A074441
• Number of 6-ary Lyndon words of length n with trace 3 and subtrace 5 over Z_6.at n=12A074445
• Amicable quadruples: the values of sigma corresponding to A036471-A036474.at n=7A116148
• Amicable quadruples: the values of sigma corresponding to A036471-A036474.at n=8A116148
• Number of (n+2) X 6 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=21A202198
• Triangular array read by rows: T(n,k) is the number of f:{1,2,...,n}->{1,2,...,n} with exactly 2k elements that have a preimage of even (possibly zero) cardinality; n>=0, 0<=k<=floor(n/2).at n=26A225942