38820

Appears in sequences

• Partial sums of A014825, second partial sums of A002450.at n=7A052161
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,9.at n=33A064241
• Record (maximal) gaps between prime triples (p, p+2, p+6).at n=37A201598
• prime(n^3) - prime(n).at n=15A214612
• Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001011.at n=11A261550
• G.f. A(x) satisfies: A(x) = 1 + x + x^2 + x^3 + x^4 + x^5 * A(x)^3.at n=23A346735
• Number of ways to write a + b + c = d + e = f with {a,b,c,d,e,f} a subset of [n] of size 6 and a < b < c and d < e.at n=48A362717
• a(n) = Sum_{i+j+k+m=n, i,j,k,m >= 1} tau(i) * tau(j) * tau(k) * tau(m).at n=20A375002
• Expansion of g.f.: x/((1-x^2)^3*(1-2*x)).at n=15A389373