40425

Appears in sequences

• Odd square pyramidal numbers.at n=24A015221
• a(n) = n + (n+1)^2 + (n+2)^3.at n=32A027620
• a(1)=6; if n = Product p_i^e_i, n>1, then a(n) = Product p_{i+1}^e_i * Product p_{i+2}^e_i.at n=29A045969
• Least m such that n = m mod tau(m) if such m exists, otherwise 0.at n=32A066708
• Structured rhombic dodecahedral numbers (vertex structure 9).at n=24A100157
• a(n) = (2*n-1)*(2*n+1)^2.at n=16A102094
• Number of possible squares on an n^2 X n^2 grid.at n=6A113754
• A triangular array distributing the values of sequence A072213 (cf. A115994).at n=46A128626
• Numbers with exactly 4 distinct odd prime divisors {3,5,7,11}.at n=11A147577
• a(n) = n*(n+2)^2.at n=33A152619
• Number of blocks in a Steiner Quadruple System of order A047235(n+1).at n=32A228124
• Number of inequivalent (modulo C_4 rotations) square n X n grids with squares coming in two colors and three squares have one of the colors.at n=8A275799
• a(n) = gcd(A260443(n), A260443(n+1)).at n=46A277198
• a(n) = gcd(A260443(n), A260443(n+1)).at n=49A277198
• a(n) = gcd(A260443(n), A260443(n+1)).at n=57A277198
• a(n) = gcd(A260443(n), A260443(n+1)).at n=58A277198
• Odd bisection of A283983; square root of the largest square dividing A277324.at n=49A283484
• Odd bisection of A283983; square root of the largest square dividing A277324.at n=57A283484
• Odd bisection of A283983; square root of the largest square dividing A277324.at n=59A283484
• a(n) = A059895(A260443(n), A260443(1+n)).at n=46A284578