22208

Appears in sequences

• a(n) = a(n-1)^2 + prime(n-1), with a(1) = 1.at n=4A028301
• Number of subsets of proper divisors of numbers in A065218 summing to the number.at n=10A065219
• McKay-Thompson series of class 12D for the Monster group.at n=13A101127
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (0, 1), (1, 0), (1, 1)}.at n=7A151317
• Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 3 adjacent terms unique.at n=7A152319
• Numbers that begin a run of consecutive integers k such that the denominator of the k-th harmonic number is lcm(1..k).at n=28A330680
• Partial sums of the ziggurat sequence A347186.at n=46A356351
• G.f. satisfies A(x) = (1 + x/A(x))/(1 - x)^2.at n=9A363816
• T(m,n) is the number of suitably connected m X n Legendrian mosaics read by rows, with 1<=n<=m.at n=13A375354