22092
domain: N
Appears in sequences
- Number of plane binary trees whose right (or respectively: left) subtree is a unique "complete" tree of (2^m)-1 nodes with all the leaf-nodes at the same depth m and the left (or respectively: right) subtree is any plane binary tree of size n - 2^m + 1.at n=11A073268
- a(n) = digit reversal of A103741(n).at n=25A103763
- a(n) = digit reversal of A103764.at n=7A103837
- Numbers n such that n^6 + 545 is prime.at n=11A163592
- Number of binary strings of length n with equal numbers of 00001 and 00011 substrings.at n=15A164193
- Averages of twin prime pairs of the form : sum of two or more consecutive squares.at n=17A174716
- Number of strings of numbers x(i=1..6) in 0..n with sum i^4*x(i) equal to 1296*n.at n=29A184352
- Number of (n+2) X 6 binary arrays avoiding patterns 001 and 110 in rows and columns.at n=4A202048
- Number of (n+2) X 7 binary arrays avoiding patterns 001 and 110 in rows and columns.at n=3A202049
- T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 110 in rows and columns.at n=31A202052
- T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 110 in rows and columns.at n=32A202052
- Number of n X 2 binary arrays whose sum with another n X 2 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order.at n=11A225976
- Number of partitions of prime(n) into n primes.at n=38A259254
- a(n) = Sum_{k=0..7} (n + k)^2.at n=49A276026
- G.f. A(x) satisfies: 1 = Sum_{n>=0} ( 1 + x*A(x)^(n+1) - A(x) )^n.at n=9A303924
- G.f. A(x) satisfies: 1 - x = Sum_{n>=0} (x^(4*n) + (-1)^n*A(x))^n.at n=23A352820