218454

Appears in sequences

• Inverse binomial transform of a math magic problem.at n=18A084214
• Numbers k such that A003313(k) = A003313(6*k).at n=34A116461
• a(1)=2, a(2)=4, a(3)=6; a(n+3) = a(n+2)+ 2*a(n), n>=1.at n=17A151794
• a(n) = (10*2^n + 2*(-1)^n)/3 for n > 0; a(0) = 1.at n=16A168648
• a(n) = (10*2^n + 3 - (-1)^n)/6.at n=17A171231
• a(n) = 2*A135318(n+1) - A135318(n).at n=35A356050