30861

Appears in sequences

• Numbers k that divide s(k), where s(1)=1, s(j)=19*s(j-1)+j.at n=27A014869
• Coefficient array for the third power of the monic integer Chebyshev polynomials 2*T(2*n+1,x/2)/x as a function of x^2.at n=24A219235
• Expansion of chi(x^5)^6 + x * chi(x)^6 in powers of x where chi() is a Ramanujan theta function.at n=20A240948
• Sum of squares of numbers less than n that do not divide n.at n=45A276984
• Number of integer partitions of n whose run-sums are not weakly decreasing.at n=40A357878
• Terms of A046337 for which A358777 is zero, where the latter is the Dirichlet inverse of former's characteristic function.at n=44A359607