47726domain: NAppears in sequencesExpansion of x*(x^3+2*x^2+3*x-1)/(x+1)^5.at n=24A119515Number of compositions of n where differences between neighboring parts are in {-1,1}.at n=50A173258Central element of a series of 5 successive nonsquarefree numbers.at n=30A188296Numbers k such that (26*10^k + 61)/3 is prime.at n=24A288824