80652

Appears in sequences

• Denominators of continued fraction convergents to sqrt(315).at n=11A041595
• Number of partitions of {1,...,n} containing 3 strings of 3 consecutive integers such that only v-strings of consecutive integers can appear in a block, where v = 1,2,3.at n=5A105493
• Number of binary strings of length n with equal numbers of 00000 and 11111 substrings.at n=17A164191
• Unitary barely deficient numbers: unitary deficient numbers k such that usigma(k)/k > usigma(m)/m for all unitary deficient numbers m < k, where usigma(k) is the sum of the unitary divisors of k (A034448).at n=9A302572
• Numbers k such that A000712(k) is divisible by k.at n=10A304045
• Triangle read by rows: T(n,k) = Sum_{j=k..n} binomial(n + j, n)*binomial(n, j)/(j + 1).at n=52A351385