68331
domain: N
Appears in sequences
- Column 3 of triangle A055907.at n=19A055909
- a(1)=1, a(n)=ceiling(n/(n+1)*sum(k=1,n-1,a(k))).at n=18A082423
- Numbers k such that sum of the divisors of k equals the sum of the reversals of the divisors of k. Numbers with all palindrome divisors are not in the sequence.at n=32A196677
- Number of partitions of 4n into exactly 5 parts.at n=29A256316
- Number of partitions of 3n into at most 5 parts.at n=37A256525
- Numbers k such that 9*10^k + 59 is prime.at n=21A290432