71656

Appears in sequences

• Even pentagonal pyramidal numbers.at n=39A015224
• Number of basis partitions of n+49 with Durfee square size 7.at n=34A053802
• a(n) = 4n^3 + 2n^2.at n=25A089207
• a(n) = Sum_{j=1..n} A003718(j-1)*prime(j).at n=44A342604
• a(n) = (3*n - 2)^2*(3*n - 1)/2.at n=17A386906