22750
domain: N
Appears in sequences
- Numbers k such that 75*2^k+1 is prime.at n=41A032387
- a(0)=1, a(1)=2, a(2)=5, a(n) = 3*a(n+2) - a(n+3).at n=10A052963
- Number of permutations satisfying -k <= p(i)-i <= r and p(i)-i not in I, i=1..n, with k=1, r=5, I={1}.at n=20A079816
- Fifth column (m=4) of (1,3)-Pascal triangle A095660.at n=23A095661
- Numbers k such that 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)-1 and 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)+1 are twin primes with p(h) = h-th prime.at n=42A129310
- Sums of the products of n consecutive pairs of numbers.at n=25A135036
- The third left hand column of triangle A167565.at n=11A167566
- Triangle read by rows: T(n,k,q) = round(c(n)/(c(k)*c(n-k))) where c are partial products of a sequence defined in comments.at n=49A172369
- Triangle read by rows: T(n,k,q) = round(c(n)/(c(k)*c(n-k))) where c are partial products of a sequence defined in comments.at n=50A172369
- Expansion of (8+6*x)/(1-x)^5.at n=12A190048
- Number of (w,x,y) with all terms in {0,...,n} and x != max(|w-x|,|x-y|).at n=28A213496
- Products of distinct numbers in A052963.at n=42A274453
- a(n) = sigma_2(3*n).at n=41A283237
- Partial sums of A299274.at n=32A299275
- Number of 3Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=9A302082