430992
domain: N
Appears in sequences
- Triangle A124029 with the (0,0) entry replaced by 4.at n=47A123966
- Triangle T(n,k) with the coefficient [x^k] of the characteristic polynomial of the following n X n triangular matrix: 4 on the main diagonal, -1 of the two adjacent subdiagonals, 0 otherwise.at n=47A124029
- Triangle of coefficients of Chebyshev's S(n,x+4) polynomials (exponents of x in increasing order).at n=47A207823
- Triangle read by rows: T(n,k) is the number of words over alphabet {0,1,2,3} having exactly k occurrences of the string 01, where n>=0 and k>=0.at n=38A261711
- Expansion of 1/(2 - g^2), where g = 1+x*g^4 is the g.f. of A002293.at n=7A391464