29504

Appears in sequences

• Number of factorization patterns of polynomials of degree n over F_3.at n=24A006168
• Decimal part of cube root of n starts with 9: first term of runs.at n=29A034135
• Constant term in expansion of (1/2) * Product_{k=-n..n} (1 + x^k).at n=10A047653
• Starting positions of strings of three 7's in the decimal expansion of Pi.at n=30A083631
• Starting positions of strings of four 7's in the decimal expansion of Pi.at n=4A083632
• Numbers n such that n^2048 + 1 is prime (a generalized Fermat prime).at n=10A088361
• Half the number of ways of placing up to n pawns on a length n chessboard row so that the row balances at its middle.at n=20A133406
• Number of bicolored connected permutations.at n=5A141307
• E.g.f. (1+x+x^2)^(x+x^2).at n=8A191351
• Smallest even k such that lpf(k-1) = prime(n), while lpf(k-3) > prime(n), where lpf=least prime factor (A020639).at n=36A242489
• Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639).at n=36A242719
• E.g.f.: Product_{k>=1} (1 + tan(x^k)).at n=7A270666
• a(n) = A000196(A277699(A277807(n))).at n=15A277806