328050

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*10^j.at n=16A038300
• Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*9^j.at n=19A038311
• Even refactorable numbers k such that the number r of odd divisors and the number s of even divisors are both odd divisors of k and k is the first number for which the triple (r,s,t) occurs, where t is the number of divisors of k.at n=15A120358
• a(n) = n^4*(n+1)^2/2.at n=9A163274
• Number of bases to which terms of A141768 are strong pseudoprimes.at n=34A195328
• a(n) = 972*n^2 - 1224*n + 414 with n > 0.at n=18A304166
• Numbers k that set records in A355432.at n=38A360589
• a(n) is the least number k such that A377384(k) = n, or -1 if no such number exists.at n=7A377387