102495domain: NAppears in sequencesIndices of primes in the Heptanacci numbers sequence A122189.at n=3A248700Smallest index k such that Fibonacci(k) contains Fibonacci(n) as a proper substring in decimal notation.at n=40A263400Expansion of Product_{k>=1} (1 - x^(4*k))^(4*k) / (1 - x^k)^k.at n=23A285215