823550

Appears in sequences

• Sums of 2 distinct powers of 7.at n=22A038481
• Sums of two powers of 7.at n=29A055258
• a(n) = n^n + n.at n=7A066068
• Sum n^d over all divisors of n.at n=6A066108
• a(n) = (largest digit of n)^(smallest digit of n) + n.at n=7A097385
• a(n) = p^p + p, with p = prime(n).at n=3A101340
• a(n) = round(Pi*2^(n-1)) for n >= 1, a(0) = 1.at n=19A121349
• Nearest integer to 2^n*Pi/4.at n=20A155996
• a(n) = n^7 + n.at n=7A190578
• a(n) = 7^n + n.at n=7A226199
• Numbers that can be represented as both a^x + x and b^y + b, for some a, b, x, y > 1.at n=20A253914
• Least integer k such that k/2^n > Pi.at n=18A293342
• a(n) = Sum_{d|n} d^d * binomial(d+n/d-1, d).at n=6A343574
• a(n) = Sum_{d|n} n^rad(d).at n=6A345265
• a(n) = Sum_{d|n} Sum_{p|n, p prime} p^d.at n=6A351773
• a(n) = Sum_{d|n} Sum_{p|n, p prime} n^gcd(d,p).at n=6A351844
• a(n) = Sum_{d|n} d^n * (n/d)^d.at n=6A359882
• Expansion of Sum_{k>0} (k * x)^k / (1 - k * x^k)^(k+1).at n=6A360824
• Expansion of Sum_{k>0} (k * x)^k / (1 - (k * x)^k)^(k+1).at n=6A360831
• a(n) = -Sum_{d|n} (-n)^d.at n=6A383010