22179

Appears in sequences

• "BFK" (reversible, size, unlabeled) transform of 2,1,1,1...at n=28A032044
• Numbers having four 3's in base 9.at n=23A043468
• Number of n-digit perfect powers.at n=8A075308
• Round(1000*x), where x is the solution to x = 3^(n-x).at n=25A103537
• Numbers n such that f(n), f(n+1) and f(n+2) are prime, f(m)=72*m^2+7.at n=24A121089
• Row sums of triangle A131819.at n=39A131820
• Sum of the seventh largest parts in the partitions of n into 9 parts.at n=47A326467
• Irregular triangle read by rows: T(n,k) is the sum of the widths of the free polyominoes with n cells and width k, n >= 1, 1 <= k <= ceiling(n/2).at n=38A379637
• Smallest number k >= 1 starting a run of n numbers i = k..k + n - 1 for which i and its digit-reverse are not coprime, while k+n and its digit-reverse are coprime.at n=9A390629