100156
domain: N
Appears in sequences
- Number of genus 1 rooted maps with 2 faces with n vertices.at n=4A006295
- Cube of the lower triangular normalized partition matrix.at n=26A027517
- Second diagonal of A027517.at n=5A027523
- a(n) = n^3*(5*n+3)/2.at n=14A229146
- Numbers <= 10^6 with valid Luhn mod 10 check digit, sorted lexicographically.at n=17A249854
- Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 1.at n=16A269921
- Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 1.at n=19A269921
- Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 2 faces on an orientable surface of genus g.at n=13A270406
- Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 5 faces on an orientable surface of genus g.at n=5A270409
- Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k.at n=36A280935
- a(n) is the number of rooted maps with n edges and 5 faces on an orientable surface of genus 1.at n=1A288072