34032

Appears in sequences

• Number of immersions of the unoriented circle into the oriented plane with n double points.at n=7A008981
• Numbers k such that the decimal part of k^(1/10) starts with a 'nine digits' anagram.at n=12A034285
• a(n) = ceiling(exp(n)/n).at n=12A132407
• Number of unlabeled marked trees with n nodes.at n=6A136795
• Averages of twin prime pairs that are sums of 5 consecutive averages of twin prime pairs.at n=17A160919
• Number of (n+4)X(n+4) 0..2 matrices with each 5X5 subblock idempotent.at n=5A224617
• Number of (n+4) X 10 0..2 matrices with each 5 X 5 subblock idempotent.at n=5A224623
• Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 7.at n=43A244461
• G.f.: Product_{k>=1, j>=1} ((1 + x^(k*j)) / (1 - x^(k*j)))^2.at n=10A320237
• a(0) = 1; a(n) = -Sum_{k=1..n} prime(k+1) * a(n-k).at n=21A353156