41937

Appears in sequences

• Sum of the prime(n) primes following prime(n).at n=26A099274
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (-1, 1, 0), (1, -1, 0), (1, 1, 0)}.at n=9A149528
• G.f.: (21 + 101*x + 97*x^2 + 22*x^3 + x^4)/(1 - x)^5.at n=7A160769
• Diagonal sums of triangle A188463.at n=10A188464
• Number of length 4+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=7A249710
• Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having least column-height k (n>=2, k>=1).at n=66A274488
• Number of occurrences of k in the list of transitions t(j), j <= n!-1, of interchanges a(t(j)) <-> a(t(j)+1) created by Knuth's "Algorithm T" (Plain change transitions) to generate all permutations of n distinct elements, written as a triangle T(m,k), m = n-1 >= 1, k <= m.at n=30A321668