95904

Appears in sequences

• Theta series of lattice Kappa_11.at n=7A015229
• 4th power of the lower triangular normalized partition matrix.at n=13A027518
• Second diagonal of A027518.at n=3A027526
• Integer part of (Product(n^((1 + log(1 + i))/i^2), {i, 1, n})).at n=33A062486
• A triangular sequence based on the first level sum of polynomial coefficients: p(x,n,m)=(1 - x)^(n + m + 1)*Sum[k^(n - 1)*(1 - k)^(m - 1)*x^k, {k, 0, Infinity}]/4.at n=19A168217
• Molecular topological indices of the complete graph K_n.at n=36A181617
• Numbers with prime factorization pq^4r^5.at n=17A190468
• Monotonic ordering of nonnegative differences 10^i-2^j, for 40>= i>=0, j>=0.at n=40A192125
• Monotonic ordering of nonnegative differences 10^i-4^j, for 40>=i>=0, j>=0.at n=21A192172
• Pyramid P(n, t, d) read by planes and rows, for 0 <= t+d <= n: number of ways n triples can sit in a row so that exactly t triples are together and exactly d triples are separated into a couple and a loner.at n=11A192990
• a(n) is the smallest even k >= 2 such that the first n multiples of k have the same sum of digits, but (n + 1)*k has a different one. a(n) = 0 if no such k exists.at n=20A237994
• a(n) is the smallest k > 0 such that the first n multiples of k have the same sum of digits, but (n+1)k has a different one. a(n)=0 if no such k exists.at n=20A238088
• Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=3A252632
• Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=3A252636
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=24A252640
• Number of (4+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=3A252644
• a(n) = 378*n^2 - 54*n (n>=1).at n=15A305070
• Numbers with an even number of prime factors (counted with multiplicity) that can be factored into squarefree semiprimes (A320911) but cannot be factored into distinct semiprimes (A320892).at n=29A320893
• a(n) = 2^n*E2poly(n, -1/2), where E2poly(n, x) = Sum_{k=0..n} A340556(n, k)*x^k, are the second-order Eulerian polynomials.at n=9A341106