22986

Appears in sequences

• An exotic continued fraction (for the real root of x^3 - 8*x - 10).at n=17A002937
• Pisot sequence T(3,7), a(n) = floor(a(n-1)^2/a(n-2)).at n=11A020746
• Coordination sequence for root lattice B_3.at n=34A022145
• a(n) = sum of absolute valued coefficients of (1+x-4*x^2)^n.at n=6A084775
• Integers k such that 10^k + 61 is a prime number.at n=17A135116
• Row 4 of table A162424.at n=27A162427
• The number of overpartitions of n into parts congruent to 2, 4, or 5 modulo 6.at n=51A253136
• Number of 9-compositions of n: matrices with 9 rows of nonnegative integers with positive column sums and total element sum n.at n=4A261801
• Number T(n,k) of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows.at n=52A287213
• Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals six.at n=3A294055