24502

Appears in sequences

• a(0) = 1, a(n) = 20*n^2 + 2 for n>0.at n=35A010010
• a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 3) and d(n) = (n-th non-Fibonacci number).at n=18A023487
• a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 1) and d(n) = (n-th non-Lucas number).at n=19A023493
• The number phi_3(n) of Frobenius partitions that allow up to 3 repetitions of an integer in a row.at n=25A053992
• Numbers k such that (2^127-1)*2^k + 1 is prime.at n=16A098126
• Sum of numbers of ways to choose a k-chain of divisors of n - k, for k = 0..n - 1.at n=32A343940