145222

Appears in sequences

• Theta series of D_7 lattice.at n=18A008429
• Number of ways of writing n as a sum of 7 squares.at n=36A008451
• a(n) = Sum_{k=0..n} Stirling1(n,k)*Stirling2(n,k).at n=7A047792
• T(2n+3,n), array T as in A055794.at n=20A055796
• Deficient numbers k > 1 such that k*p is abundant for all primes p dividing k.at n=16A341358
• Number of ways of writing n^2 as a sum of seven squares.at n=6A361695