64246

Appears in sequences

• Final terms of rows of A077529.at n=25A077530
• Decimal concatenations of the 38 quintuples (d1,d2,d3,d4,d5) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 6 consecutive primes starting with p are (d1,d2,d3,d4,d5).at n=25A078870
• Least palindromic multiple of concatenation n,n-1,...,3,2,1,2,3,...,n-1,n, or zero if no such multiple exists. a(n) is not equal to n.at n=2A109931
• G.f.: 1/p(x), where p(x) = degree 22 Salem polynomial p(x) = x^22 + x^21 - x^19 - 2*x^18 - 3*x^17 - 3*x^16 - 2*x^15 + 2*x^13 + 4*x^12 + 5*x^11 + 4*x^10 + 2*x^9 - 2*x^7 - 3*x^6 - 3*x^5 - 2*x^4 - x^3 + x + 1.at n=40A143419