77350

Appears in sequences

• 4-dimensional figurate numbers: a(n) = (5*n-1)*binomial(n+2,3)/4.at n=24A002418
• Expansion of 1/((1-11x)(1-12x)(1-13x)(1-14x)(1-15x)).at n=3A016111
• Second elementary symmetric function of 3,4,...,n+3.at n=24A024183
• Triangle of a(n,k) = number of k-member minimal covers of an n-set (n >= k >= 1).at n=24A035348
• Number of partitions of n into parts not a multiple of 7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 9 are greater than 1.at n=47A035985
• a(n) = binomial(floor(n/2),4) + (ceiling(n/2)-3)*binomial(floor(n/2),3).at n=53A234277
• Expansion of x*(1 + 3*x + x^2)/((1 - x)^5*(1 + x)^4).at n=47A287143
• a(n) is the minimum number with exactly n triples (u,m,v) of divisors such that u < v and m^2 is the harmonic mean of u^2 and v^2.at n=21A376713