26144

Appears in sequences

• Numbers k such that both k and k+1 are abundant.at n=6A096399
• Numbers k such that both sigma(k) >= 2*k-1 and sigma(k+1) >= 2*(k+1)-1.at n=8A103289
• 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, -1, 1), (-1, 1, 0), (1, 0, 1), (1, 1, -1)}.at n=9A148907
• 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), (0, 0, -1), (0, 1, 0), (1, 0, 1), (1, 1, 1)}.at n=7A151202
• Denominators a(n) of Pythagorean approximations b(n)/a(n) to sqrt(12).at n=3A195680
• Numbers which are representable as a sum of nineteen but no fewer consecutive nonnegative integers.at n=30A270303
• Numbers n such that n and n+1 both have 24 divisors.at n=5A274362
• Number of positive subset sums of strict integer partitions of n.at n=39A284640
• Numbers k such that both k and k+1 are Zumkeller numbers (A083207).at n=4A328327
• Numbers k such that k and k+1 are both phi-practical numbers (A260653).at n=29A330871
• Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 + log(1-2*x)/2) ).at n=5A370938
• Numbers k such that each of k and k+1 is either a practical number (A005153) or an almost practical number (A174533).at n=7A387654