26288
domain: N
Appears in sequences
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(2*n-7)*(2*n^2-11*n+18).at n=30A030434
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(2*n - 3)*(2*n^2 - 3*n + 4).at n=28A030441
- Admirable numbers n such that the subtracted divisor is > sqrt(n).at n=35A109321
- Number of imprimitive (periodic) n-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed.at n=40A115118
- a(n) = n*(n+1)*(5*n + 4)/6.at n=31A162147
- Numbers d*p where d is a perfect number and p<d a prime not dividing d.at n=22A165772
- Number of partitions p of n not including ceiling(mean(p)) as a part.at n=42A241337
- G.f. A(x) satisfies: [x^(n+1)] A(x)^n = n*([x^(n-1)] A(x)^n) for n>=1.at n=12A245310
- Numbers n such that n = pi(n) + uphi(n), where pi = A000720, uphi = A047994.at n=10A298761