22471

Appears in sequences

• Shallow diagonal of triangular spiral in A051682.at n=35A081275
• Numbers k such that the decimal digits of phi(k) are a permutation of those of k.at n=28A115921
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood.at n=38A271198
• Sum of the legs of the unique primitive Pythagorean triple whose inradius is A000217(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=14A383834