23214
domain: N
Appears in sequences
- Expansion of (1-x^2)/(1-2*x^2-x^3+x^5).at n=26A052943
- Numbers n with property that average digit of n^2 is s=7.at n=22A164773
- Numbers k such that there is 1 prime between 100*k and 100*k + 99.at n=28A186393
- Numbers k such that k^2 + 1 = p*q, p and q primes and |p-q| is square.at n=36A187401
- Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2<=x^2+y^2.at n=34A211806
- Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) < number of distinct parts of p.at n=42A241818
- a(0) = 0, a(1) = 1, for n > 1, a(n) = a(n-1) + a(n-A002487(n)).at n=29A283474
- First differences of A283474.at n=33A283479
- First differences of A283474.at n=38A283479
- E.g.f. satisfies y'' + y' - x^3*y = 0 with y(0)=1, y'(0)=0.at n=14A318355
- Array read by antidiagonals: T(m,n) is the number of minimal edge cuts in the rook graph K_m X K_n.at n=24A378935
- Number of minimal edge cuts in the n X n rook graph.at n=3A378936