24184

Appears in sequences

• Number of partitions of n into parts not of the form 23k, 23k+10 or 23k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 10 are greater than 1.at n=38A035998
• Table (read by rows) giving the coefficients of sum formulas of n-th Lucas numbers (A000204). The k-th row (k>=1) contains T(i,k) for i=1 to k, where k=[2*n+1+(-1)^(n-1)]/4 and T(i,k) satisfies L(n) = Sum_{i=1..k} T(i,k) * n^(k-i) / (k-1)!.at n=25A101032
• Positions where A116624 is a power of 2.at n=16A116628
• Ordered differences of numbers s(j)=(1/2)C(2j,j).at n=32A205384
• Number of distinct sums of reciprocals of parts of partitions of n.at n=42A212187
• Principal diagonal of the convolution array A213822.at n=15A213823
• Arises from color-symmetrized counting of tensor invariants.at n=14A232207
• a(n) = gpf(a(n-3))*gpf(a(n-2)) + gpf(a(n-1)), with a(1)=a(2)=1 and a(3)=2 and where gpf(n) is the greatest prime dividing n, A006530(n).at n=19A258804
• Partition the terms of the harmonic series into groups sequentially so that the sum of each group is equal to or minimally greater than 1; then a(n) is the number of terms in the n-th group.at n=10A331028