535251

Appears in sequences

• a(n) = Sum_{k=0..n} C(n,k)*C(n+k,k)^3.at n=4A218693
• a(n) = 3*a(n-3) + 3*a(n-6) + a(n-9) for n>8, a(0)=0, a(1)=a(2)=1, a(3)=a(4)=2, a(5)=3, a(6)=7, a(7)=9, a(8)=11.at n=32A237988
• Number of integer compositions of n whose parts have weakly decreasing numbers of distinct prime factors (A001221).at n=29A358902