23588
domain: N
Appears in sequences
- Numbers whose base-5 representation contains exactly three 2's and three 3's.at n=22A045277
- Self-convolution of 1 2 3 5 7 11 15 22 30 42 56 77 ... (A000041).at n=18A048574
- Number of partitions of 2n whose Ferrers-Young diagram allows more than one different domino tiling.at n=20A052837
- Numbers k such that 295*2^k + 1 is prime.at n=27A053364
- Expansion of 1/(1 + x - x^2 - 3*x^3 - x^4 + x^5 + x^6).at n=40A147592
- Number of 7's in the last section of the set of partitions of n.at n=52A206557
- a(n) = 3*2^n - Fibonacci(n+3) - 1.at n=13A221719
- Number of n X 2 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=13A240333
- Number of 2Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=13A241398
- Number of partitions of 3*n that have exactly n prime parts.at n=35A299731
- Numbers that are the sum of eight fourth powers in ten or more ways.at n=25A345585
- Numbers that are the sum of eight fourth powers in exactly ten ways.at n=16A345842
- Array read by antidiagonals: A(n,k) is the number of sensed planar maps with n vertices and k faces including one distinguished outside face, n >= 1, k >= 1.at n=30A380240