78406

Appears in sequences

• Numbers of the form 2*p*q where (p,q) is a twin prime pair.at n=14A071142
• a(n) = a(n-1) + a(n-2) + n (mod 3), with a(1)=a(2)=1.at n=23A081410
• Expansion of exp(2x) - exp(0) + BesselI_0(2x).at n=16A081672
• Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms at positions [(m+3)^2/4 - 2] for m>=0 and then taking partial sums, starting with all 1's in row 0.at n=48A135878
• Squarefree numbers which yield zero when their prime factors are xored together.at n=36A235488
• G.f.: Sum_{n>=0} (4 + x^n)^n * x^n / (1-x)^(n+1).at n=7A244617