-1976
domain: Z
Appears in sequences
- sin(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4-58/6!*x^6-1976/8!*x^8...at n=4A009513
- Duplicate of A009513.at n=3A012366
- arcsinh(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4-58/6!*x^6-1976/8!*x^8...at n=3A012370
- a(n) = 13 + 12*n - n^2.at n=51A136316
- Matrix inverse of triangle A137153(n,k) = C(2^k+n-k-1, n-k), read by rows.at n=24A137156
- Triangle read by rows, inverse binomial transform of A152431.at n=41A152432
- A generalized Catalan number sequence.at n=17A174015
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 35", based on the 5-celled von Neumann neighborhood.at n=25A269817