26073

Appears in sequences

• a(n) = a(n-1) + a(n-2) with a(0)=2, a(1)=5. Sometimes called the Evangelist Sequence.at n=19A001060
• a(0) = 1, a(n) = 31*n^2 + 2 for n>0.at n=29A010020
• a(n) = F(n+1) + L(n), where F(n) and L(n) are Fibonacci and Lucas numbers, respectively.at n=20A013655
• "AGJ" (ordered, elements, labeled) transform of 2,1,1,1,...at n=8A032015
• Integers n such that the number of digits in n! is a cube.at n=21A056851
• Number of binary strings of length n with no substrings equal to 0001 0010 or 0111.at n=19A164448
• a(1)=2, a(2)=3, then a(n)=a(n-1)+a(n-2) if n odd, a(n)=a(n-1)-a(n-2) if n even.at n=38A174562
• a(1)=2, a(2)=3, then a(n)=a(n-1)+a(n-2) if n odd, a(n)=a(n-1)-a(n-2) if n even.at n=41A174562
• Number of 0..n arrays x(0..5) of 6 elements without any interior element greater than both neighbors or less than both neighbors.at n=7A200874
• s(k)-s(j), where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number.at n=21A205874
• Values of x in the solutions to x^2 - 3xy + y^2 + 11 = 0, where 0 < x < y.at n=20A237132
• 2nd-largest term in n-th row of Stern's diatomic triangle A002487.at n=20A244472
• Number T(n,k) of partitions of n into parts of exactly k sorts which are introduced in ascending order; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=61A256130
• Number of partitions of n into parts of exactly 6 sorts which are introduced in ascending order.at n=4A258461
• Numbers k(n) used for Markoff forms determining quadratic irrationals with purely periodic continued fractions.at n=21A305311
• Number of partitions of n into parts of exactly seven sorts which are introduced in ascending order such that sorts of adjacent parts are different.at n=4A320549
• Terms k of A228058 such that gcd(k - A048250(k), A162296(k) - k) = A162296(k) - k.at n=38A325376
• Numbers k in A228058 such that also A001065(k) is in A228058.at n=31A325380
• Odd composites k such that sigma(k) has the same powerful part as k, where sigma is the sum of divisors function.at n=22A386425