87517

Properties

Appears in sequences

• Primes of form prime(1) + ... + prime(k) + 1.at n=22A053845
• Partial sums of A081660.at n=16A081661
• Iccanobirt numbers (7 of 15): a(n) = R(a(n-1)) + R(a(n-2)) + R(a(n-3)), where R is the digit reversal function A004086.at n=19A102117
• Iccanobirt primes (7 of 15): Prime numbers in A102117.at n=3A102157
• Number of preferential arrangements of n labeled elements when at least k=7 elements per rank are required.at n=17A245792
• Numbers k such that k*(k+1) divides tribonacci(k) (A000073(k)).at n=17A299156
• Coefficients in the power series expansion of A(x) = Sum_{n=-oo..+oo} n*(n+1)*(n+2)*(n+3)/24 * x^(4*n) * (1 - x^n)^(n-2).at n=62A357157
• a(n) = Sum_{k=0..n} (3*k+2) * binomial(5*n-2*k+2,n-k)/(5*n-2*k+2).at n=6A390798
• Prime numbersat n=8495