70646
domain: N
Appears in sequences
- a(0)=1; a(n) = sigma_1(n) + sigma_2(n) + sigma_3(n).at n=41A092347
- Number of 0..n arrays x(0..4) of 5 elements with zero 4th difference.at n=24A200156
- Number of distinct values of the sum of 5 products of three 0..n integers.at n=24A225262
- Least positive integer k such that 1 + 1/2 + ... + 1/k > n/phi, where phi = golden ratio = (1+sqrt(5))/2.at n=18A226160
- a(n) = Sum_{k=0..floor(n/4)} binomial(n-3*k,k) * Catalan(n-3*k).at n=11A360272