1077699

Appears in sequences

• 5-dimensional pyramidal numbers: a(n) = n*(n+1)*(n+2)*(n+3)*(2n+3)/5!.at n=34A005585
• Sum of divisors of those odd squares k for which A379113(k) > 1, i.e., k that have a proper unitary divisor d > 1 such that A048720(A065621(sigma(d)),sigma(k/d)) is equal to sigma(k).at n=14A379125
• Number of tetrahedra in the n X n white bishop graph.at n=37A391027
• Number of tetrahedra in the n X n black bishop graph.at n=37A391766