33277

Appears in sequences

• a(n) = a(n-1) + a(round(2*(n-1)/3)) + a(round((n-1)/3)) with a(1)=a(2)=1.at n=43A033499
• Number of subgroups of the group GL(2,Z_n) of invertible 2 X 2 matrices mod n (sequence A000252).at n=16A066514
• Average of terms in n-th row of A077529.at n=27A077532
• Erroneous version of A140763.at n=34A159579
• Number of compositions of n such that the maximal distance between two identical parts equals one.at n=26A262192
• Smallest k such that (k+i)*prime(n)#-1 is prime for i = 0, 1, 2, ..., n+1, n+2 where prime(n)# is the n-th primorial, n>1.at n=2A277693