1594325

Appears in sequences

• a(n) = 2-(-3)^n.at n=13A081630
• Numbers of the form 3^n+2 which are not primes.at n=6A132830
• a(n) = 3^(2*n-1) + 2.at n=6A134752
• (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, ...) becomes (0^1 + 2, 3^2 + 2, 5^2 + 3, 7^2 + 3, 3^2 + 2, 5^11 + 2, 2^3 + 13, ...).at n=24A143651
• (1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (1^2+3, 2^2+5, 2^3+7, 2^3+3, 2^2+5, 11^2+2, 3^13+2, 7^3+5,..).at n=6A143709
• a(n) = 3^n + 2.at n=13A168607
• a(n) = floor( (3^n+1)^2/3^n ).at n=13A259821
• Numbers of the form 3^k + 2 that admit at least one divisor of the form 3^m + 2 with 1 <= m < k.at n=4A375324