26939
domain: N
Appears in sequences
- Numbers n such that p1=2n+3, p2=4n+5, p3=6n+7 and p4=8n+9 are all prime.at n=18A105653
- a(n) = 29 + 73*n + 37*n^2.at n=26A145980
- 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, 0), (0, 1, -1), (1, 0, 0), (1, 0, 1)}.at n=8A150394
- Number of partitions of n such that (number parts having multiplicity 1) is not a part and (number of parts > 1) is a part.at n=52A241512
- a(n) = (n + 2)*(n^2 + n - 1).at n=29A318765
- Numbers equal to the sum of the aliquot parts of the previous k numbers, for some k.at n=19A320021
- Expansion of Sum_{1<=i<=j} q^(i+j)/( (1-q^i)*(1-q^j) )^2.at n=43A374929