66266

Appears in sequences

• Numbers having four 6's in base 10.at n=14A043516
• Partition the nonnegative integers into minimal groups whose sums are palindromes; this sequence gives the sums.at n=39A072482
• Decimal concatenations of the 38 quintuples (d1,d2,d3,d4,d5) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 6 consecutive primes starting with p are (d1,d2,d3,d4,d5).at n=32A078870
• G.f.: 1/( (1-32*x)*(1+11*x-x^2)^2 )^(1/5).at n=4A216358
• Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 3.at n=24A244457
• a(n) = 6*(10^(2*n+1)-1)/9 - 4*10^n.at n=2A332162