24738

Appears in sequences

• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-9).at n=23A023439
• Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0.at n=5A037662
• a(1) = 5, a(n) = sigma(a(n-1)).at n=10A051572
• Numbers k such that sigma(x) = k has exactly 10 solutions.at n=33A060666
• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n is neither a prime, nor a true power of prime and n is squarefree. Squarefree solutions of A071140.at n=26A071141
• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n has exactly 5 distinct prime factors and n is squarefree.at n=6A071144
• Squarefree numbers k such that the largest prime factor of k is equal to the sum of the other prime factors of k.at n=25A071312
• Number of nX6 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 2 neighbors with the same value.at n=5A164758
• Expansion of (1+2*x)/(1-x^4-2*x^3-2*x^2-x).at n=12A190667
• Numbers whose sum of triangular divisors is also a divisor and greater than 1.at n=33A209311
• Numbers n such that n*A007954(n) contains the same distinct digits as n.at n=20A248039
• Numbers such that the sum of prime factors without repetition divides the product of prime factors without repetition and each division yields a greater quotient.at n=14A380487
• Numbers k such that omega(k) = 5 and the largest prime factor of k equals the sum of its remaining distinct prime factors, where omega(k) = A001221(k).at n=12A383729