30272

Appears in sequences

• a(n) = Sum_{k=0..2*n-3} T(n,k) * T(n,k+3), with T given by A026584.at n=4A027285
• Jacobi form of weight 12 and index 1 for Niemeier lattice of type D_8^3.at n=7A055754
• Number of triangles in an n X n unit grid that have minimal possible area (of 1/2).at n=14A088658
• Numbers with exactly one arithmetic progression of four successive divisors (not necessarily consecutive).at n=23A094530
• Row sums of A095167.at n=37A095170
• Number of 132-segmented permutations of length n.at n=10A125305
• Sums of 4 distinct primorials.at n=23A177709
• Monotonic ordering of nonnegative differences 6^i-2^j, for 40>=i>=0, j>=0.at n=43A192117
• Monotonic ordering of nonnegative differences 6^i-4^j, for 40>= i>=0, j>=0.at n=24A192164
• Expansion of Product_{k>=0} ((1+x^(4*k+1))/(1-x^(4*k+1)))^2.at n=34A261650
• Numbers that are the sum of distinct primorial numbers (A002110) (not including 1).at n=44A290249
• Sum of all the parts in the partitions of n into 7 squarefree parts.at n=43A308953
• Number of integer partitions of n whose Heinz number (product of primes of parts) is divisible by all parts.at n=48A330952
• a(n) = Sum_{i=1..n, j=1..n, gcd(i,j)=2} (n+1-i)*(n+1-j).at n=28A331761
• Numbers k in A276156 (sums of distinct primorial numbers) where the maximal exponent in the prime factorization of k attains a novel value.at n=6A369649