30621

Appears in sequences

• Representation degeneracies for boson strings.at n=39A005291
• Numbers k which divide the sum of the Fibonacci numbers F(1) through F(k) and such that k is not a multiple of 24.at n=27A124456
• a(n) = (8*n+5)*(8*n+9).at n=21A146302
• a(n) = 100*n^2 + 100*n + 21.at n=17A152161
• Number of hands of n points in Spanish dominoes.at n=18A258064
• Number of hands of n points in Spanish dominoes.at n=36A258064
• Numbers k such that (14*10^k - 71) / 3 is prime.at n=24A279467
• Anagrexpo integers: integers N that exactly reproduce their set of digits when we form the set of exponentiation of pairs of adjacent digits, from left to right.at n=39A297627
• Odd integers m that divide the sum of the first m nonzero Fibonacci numbers.at n=26A331976
• a(n) = smallest k such that li(k) - pi(k) >= n, where li(k) is the logarithmic integral and pi(x) is the number of primes <= x.at n=34A359145