40291

Appears in sequences

• Number of nodes in regular n-gon with all diagonals drawn.at n=33A007569
• Odd k for which k+2^m is composite for all m < k.at n=19A033919
• Triangle T, read by rows, such that the matrix cube shifts T one place diagonally left and upward, with T(n, 0) = T(n, n) = 1 for n>=0.at n=68A096744
• a(n) is the minimum positive integer j such that [j, j+n-1] does not contain any values of sigma(k) (i.e., sum of all positive divisors of k).at n=23A109322
• a(n) is the minimum positive integer j such that [j, j+n-1] does not contain any values of sigma(k) (i.e., sum of all positive divisors of k).at n=24A109322
• a(n) is the minimum positive integer j such that [j, j+n-1] does not contain any values of sigma(k) (i.e., sum of all positive divisors of k).at n=25A109322
• a(n) is the minimum positive integer j such that [j, j+n-1] does not contain any values of sigma(k) (i.e., sum of all positive divisors of k).at n=26A109322
• a(n) is the minimum positive integer j such that [j, j+n-1] does not contain any values of sigma(k) (i.e., sum of all positive divisors of k).at n=27A109322
• a(n) is the minimum positive integer j such that [j, j+n-1] does not contain any values of sigma(k) (i.e., sum of all positive divisors of k).at n=28A109322
• A109322 with duplicates removed.at n=9A109323
• Minimum positive integer such that length of the gap described at A109322 is exactly n (in contrast to A109322 where the gap length is >= n).at n=28A110875
• Number of length n binary sequences with at most 3 of every 6 adjacent bits set.at n=18A133551
• Integers for which the smallest k in A067760 such that n + 2^k is prime increases.at n=11A263874
• Number of partitions of n whose minimal excluded multiplicity is even.at n=44A299408
• Number of colored integer partitions of n using all colors of a 3-set such that a color pattern for part i has i distinct colors in increasing order.at n=21A327842
• Triangle read by rows, T(n, k) = Sum_{j=0..k} |Stirling1(n, j)|.at n=42A349782
• The smallest number in base n such that two digits (and no fewer) need to be changed to get a prime.at n=41A370531