19687

Properties

Appears in sequences

• Numbers that are the sum of 7 nonzero 8th powers.at n=21A003385
• Numbers that are the sum of 5 positive 9th powers.at n=6A003394
• Numbers that are the sum of at most 5 positive 9th powers.at n=25A004889
• Numbers that are the sum of at most 6 positive 9th powers.at n=32A004890
• Next prime after 3^n.at n=9A014211
• Next prime after n^3.at n=27A014220
• Primes followed by a [10,2,10] prime difference pattern of A001223.at n=20A052376
• Primes that can be written as 1+p+p^k, p prime and k > 1.at n=19A084444
• Indices of records in A087666.at n=8A087663
• Least k >= 6 such that A087666(k) = n.at n=24A087710
• Expansion of (1-3*x+6*x^2-5*x^3+3*x^4-x^5)/(1-x)^6.at n=17A089830
• Primes of the form 3^k + 4.at n=5A102903
• Smallest prime >= 3^n.at n=9A104081
• Primes with digit sum = 31.at n=29A106767
• Primes of the form p^2 + q^9 where p and q are primes.at n=1A122715
• Numbers k such that 3 and 5 do not divide binomial(2*k, k).at n=43A129508
• Primes congruent to 24 mod 53.at n=37A142554
• Primes congruent to 40 mod 59.at n=35A142767
• Primes congruent to 45 mod 61.at n=35A142843
• a(n) = 3^n + 4.at n=9A168609