27263
domain: N
Appears in sequences
- Composite numbers x such that sigma(x+120) = sigma(x)+120.at n=30A054985
- Numbers n such that phi(n) = sigma(n) - reversal(sigma(n)).at n=11A230012
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 934", based on the 5-celled von Neumann neighborhood.at n=42A273794