22170

Appears in sequences

• Numbers having four 3's in base 9.at n=22A043468
• Numbers whose base-3 representation has exactly 10 runs.at n=8A043590
• Numbers n such that number of runs in the base 3 representation of n is congruent to 1 mod 9.at n=26A043807
• Numbers n such that number of runs in the base 3 representation of n is congruent to 0 mod 10.at n=8A043815
• Numbers whose base-4 representation contains exactly four 1's and four 2's.at n=2A045109
• McKay-Thompson series of class 40C for Monster.at n=52A058664
• The (3^n)-th composite number.at n=9A065605
• Sum of the numbers of unitary divisors of the binomial coefficients C(n,k), k=0..n.at n=46A103445
• a(n) = Floor(Fibonacci(n)^(1/Pi)).at n=67A171962
• Number of 0..2 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 3.at n=13A200662
• Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=9A299010
• Inverse Weigh transform of A000085.at n=10A306009
• Number of compositions (ordered partitions) of n into at most 5 prime powers (including 1).at n=44A347775
• Squarefree composite numbers m such that k - m^2 < m, where k is the smallest number greater than m^2 such that rad(k) | m.at n=29A362003