37797
domain: N
Appears in sequences
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 822", based on the 5-celled von Neumann neighborhood.at n=40A272847
- a(n) is the smallest composite k such that Sum_{composites j = 4, ..., k} 1/j exceeds n/2.at n=14A331930
- Irregular triangle read by rows: T(n,k) (n>=2, k>=1) is the number of strong digraphs on n nodes with k descents.at n=17A339807
- Integers m such that sigma(m) + sigma(m+1) + sigma(m+2) - sigma(m+3) <= 0, where sigma is the sum of divisors.at n=5A348698