21635

Appears in sequences

• Left diagonal of partition triangle A047812.at n=35A007042
• Number of partitions of n without rotational symmetry (or 1-fold symmetry).at n=36A085436
• Number of partitions of n into relatively prime parts such that multiplicities of parts are also relatively prime.at n=37A100953
• Number of partitions of n minus number of divisors of n.at n=36A144300
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1000-1100-0110-0011 pattern in any orientation.at n=14A147143
• Convolution sequence, A000027 / A008683.at n=16A152902
• Numerator of h(n+7) - h(n), where h(n) = Sum_{k=1..n} 1/k.at n=8A192449
• Number of (n+1)X(n+1) 0..4 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=1A203862
• Number of (n+1) X 3 0..4 arrays with column and row pair sums b(i,j) = a(i,j)+a(i,j-1) and c(i,j) = a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=1A203864
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=4A203870
• Number of partitions of n which are not the partitions into (one or more) consecutive parts.at n=36A282467
• Number of integer partitions of n whose parts cannot be arranged into a (not necessarily square) matrix with equal row-sums and equal column-sums.at n=37A323348
• Number of integer partitions of n not containing their mean.at n=37A327472
• a(n) is the number of partitions of n with Durfee square of size <= 5.at n=37A330643
• Number of integer partitions of n whose mean is not an integer.at n=37A349156
• Number of integer partitions of n that cannot be partitioned into constant multisets with a common sum.at n=37A381993
• Number of integer partitions of n whose run-sums are not all equal.at n=37A382076
• Number of integer partitions of n having no permutation with all equal run-sums.at n=37A383096