-378

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^21.at n=5A010827
• Expansion of Product_{m>=1} (1+q^m)^(-14).at n=3A022609
• Regard triangle of rencontres numbers (see A008290) as infinite matrix, compute inverse, read by rows.at n=50A055137
• n - reversal of base 8 digits of n (written in base 10).at n=71A055957
• Image of primes (A000040) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.at n=42A056221
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 9.at n=33A060028
• Triangle read by rows. The triangle is constructed from the coefficients of the n-th derivative of the normal probability distribution function.at n=49A073278
• Numerators of coefficients of e^2 in the table of (2n)th du Bois Reymond constants.at n=33A085467
• Alternating sum of squares to n.at n=26A089594
• Expansion of psi(x^3) / psi(x) in powers of x where psi() is a Ramanujan theta function.at n=33A101195
• Expansion of q^(-1) * f(-q^2, -q^5)^2 * f(-q^3, -q^4) / f(-q^1, -q^6)^3 in powers of q where f() is Ramanujan's two-variable theta function.at n=27A108481
• a(n) = sum( (-1)^(r+1)*(n-r)*r, r = 1..floor(n/2) ).at n=54A110422
• Number triangle whose row sums are the Fibonacci numbers.at n=49A113020
• Numerators of asymptotic expansion of first root of Ziegler's cubic in an imaginary quadratic field.at n=8A115344
• a(n) = -a(n-1) - a(n-3) + a(n-4).at n=14A116697
• Alternating sum of the first n Fibonacci numbers.at n=15A119282
• Number triangle T(n,k)=sum{i=0..n, (-1)^(n-i)*C(n,i)*sum{j=0..i-k, C(k,2j)*C(i-k,2j)*2^j}}.at n=62A119331
• Identity matrices minus Steinbach matrices as characteristic polynomials to give a triangular array I[n]-An[i,j]-> P[k,x] P[k,n]->T[n,m).at n=59A122160
• Define Tuba numbers T(k,d,b) (0 <= d < b) by Sum_{j=0..k} binomial(k,j)*floor((k+d)/b)^(k-j)*T(j,d,b) = delta(k,0). Sequence gives T(n,0,2).at n=6A124453
• Triangle read by rows: A007318^(-1) * A128540.at n=48A128586