1449459

Appears in sequences

• Numbers of the form (9^i)*(11^j), with i, j >= 0.at n=26A108687
• Primal codes of finite idempotent functions on positive integers.at n=16A109298
• Triangle read by rows: coefficients T(n,k) of a binomial decomposition of n^n as Sum(k=0..n)T(n,k)*binomial(n,k).at n=39A244134
• Numbers n such that for all divisors of n, ratios of 2 consecutive divisors of n will always reduce to lowest terms to a fraction with numerator=denominator+2.at n=40A280963