18044
domain: N
Appears in sequences
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (odd natural numbers), t = A000201 (lower Wythoff sequence).at n=39A025113
- Numbers k such that 37*2^k+1 is prime.at n=32A032368
- Numerator of Sum_{i=1..n} i^3/(n-i+1).at n=6A119783
- Expansion of eta(q^4)^2 / (eta(q^2) * eta(q)^6) in powers of q.at n=8A134416
- Number of (n+5)X6 0..1 matrices with each 6X6 subblock idempotent.at n=1A224570
- Number of (n+5)X7 0..1 matrices with each 6X6 subblock idempotent.at n=0A224571
- T(n,k)=Number of (n+5)X(k+5) 0..1 matrices with each 6X6 subblock idempotent.at n=1A224577
- T(n,k)=Number of (n+5)X(k+5) 0..1 matrices with each 6X6 subblock idempotent.at n=2A224577
- Numbers n such that Bernoulli number B_{n} has denominator 1590.at n=27A272140
- Number of distinct factorizations of the length-n prefix of the Fibonacci word A003849 into finite Fibonacci words.at n=38A299995
- Number of distinct factorizations of the length-n prefix of the Fibonacci word A003849 into finite Fibonacci words.at n=40A299995
- Number of edges formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on each of the two adjacent edges of the square.at n=8A358409