145858

Appears in sequences

• Sum[i=0..n, Sum[j=0..n, C(n-i,i+j) * C(n-j,i+j) ]].at n=11A098730
• Indices of prime generalized tetranacci numbers, A073817.at n=31A104577
• a(n) = 3*A000984(n) - 2.at n=9A134762
• a(n) = (1/2)*( (1+(-1)^n)*A134762(n/2) + 2*(1-(-1)^n) ).at n=18A134763
• Numbers m such that abs(K(m+1) - K(m)) = 2, and both m and m+1 are squarefree (A005117), where K(m) = A002034(m) is the Kempner function.at n=34A346212