22044

Appears in sequences

• Number of self-avoiding closed walks from 0 of area n in strip Z X {0,1,2}.at n=12A038579
• Number of primes less than 10000n.at n=24A038813
• Numbers k such that the first k binary digits found in the base-10 expansion of Pi form a prime (when the decimal point is ignored).at n=14A065832
• Sum of all parts of all partitions of n.at n=22A066186
• a(0)=1; thereafter a(n)=a(n-1)+a([n/Phi]), where Phi=(1+sqrt(5))/2, the golden ratio.at n=44A131882
• 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, 1), (-1, 0, 1), (-1, 1, 0), (1, -1, -1), (1, 1, 0)}.at n=9A149109
• Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 2.at n=38A209984
• Numbers n whose sum of anti-divisors is a permutation of their digits.at n=34A258786