30672

Appears in sequences

• a(n) = rightmost term of M^n * [1 0 0], with M = the 3 X 3 matrix [1 -1 0 / -1 3 -2 / 0 -2 2].at n=7A094434
• 12 times hexagonal numbers: 12*n*(2*n-1).at n=36A143698
• Integers of the form A164577(k)/3.at n=34A164619
• Number of (w,x,y) with all terms in {0,...,n} and w>floor((x+y)/3).at n=35A212974
• Number of partitions p of n such that (number of numbers in p that have multiplicity 1) = (number of numbers in p having multiplicity > 1).at n=49A241274
• a(n) = 60*2^n - 48 (n>=1).at n=8A304376
• Integers k such that there exists an integer 0<m<k such that (1/sigma(m)^2 + 1/sigma(k)^2)*(m+k)^2 = 1.at n=10A383964