29160

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^12.at n=27A000735
• Triple factorial numbers a(n) = n!!!, defined by a(n) = n*a(n-3), a(0) = a(1) = 1, a(2) = 2. Sometimes written n!3.at n=15A007661
• Triple factorial numbers: (3n)!!! = 3^n*n!.at n=5A032031
• Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*9^j.at n=18A038215
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*2^j.at n=17A038292
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*10^j.at n=11A038300
• Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*9^j.at n=13A038311
• House numbers (version 2): a(n) = (n+1)^3 + (n+1)*Sum_{i=0..n} i.at n=26A050509
• a(n) = (3*n+6)!!!/6!!!, related to A032031 ((3*n)!!! triple factorials).at n=4A051606
• Numbers k such that Sum_{j} p_j = Sum_{j} e_j where Product_{j} p_j^(e_j) is the prime factorization of k.at n=28A054411
• Smallest number k for which the set of solutions to phi(x) = k has 2n-1 entries.at n=34A071387
• Numbers divisible by the cube of the sum of their digits in base 10.at n=31A072082
• Number of 6-ary Lyndon words of length n with trace 1 and subtrace 1 over Z_6.at n=8A074429
• Number of 6-ary Lyndon words of length n with trace 1 and subtrace 3 over Z_6.at n=8A074431
• Number of 6-ary Lyndon words of length n with trace 1 and subtrace 5 over Z_6.at n=8A074433
• Number of 6-ary Lyndon words of length n with trace 2 and subtrace 1 over Z_6.at n=8A074435
• Number of 6-ary Lyndon words of length n with trace 2 and subtrace 3 over Z_6.at n=8A074437
• Number of 6-ary Lyndon words of length n with trace 2 and subtrace 5 over Z_6.at n=8A074439
• Product of product of divisors of n and sum of divisors of n.at n=26A076722
• Numbers equal to a permutation (or rearrangement) of the digits of the sum of their proper divisors. Rearrangements which cause leading zeros are excluded.at n=27A085844