66886

Appears in sequences

• Numbers k such that k | 6^k + 6.at n=16A015892
• Numbers k such that 9*10^k+1 is prime.at n=16A056797
• Numbers with digits 6 and 8 only.at n=36A284635
• Expansion of (1+11*x+24*x^2+11*x^3+x^4)/(1-x)^5.at n=13A294433
• Triangle read by rows: the polynomial coefficients of the numerator of the rational solution of the linear recurrence equations of the rows of A371761.at n=48A371762