74760

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,11.at n=30A064242
• Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,69.at n=7A065702
• Numbers j such that j and 2j are both between a pair of twin primes.at n=23A066388
• Coefficient of x^n in the (n+1)-th iteration of (x + x^2) for n>=1.at n=6A112320
• Table where row n lists the coefficients in the (2^n)-th iteration of x+x^2 for n>=0, read by antidiagonals not including trailing zeros in rows.at n=40A158264
• Numbers m such that exactly four subsets of {m-1, m, m+1} sum up to a prime number.at n=26A221310
• Sum of the asymmetry degrees of all 00-avoiding binary words of length n.at n=20A275436
• Sum of the asymmetry degrees of all compositions of n into odd parts.at n=23A275441
• Coefficients in q-expansion of (E_2*E_4 - E_6)^2/518400, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=7A281371
• Number of 6-cycles in the n-Bruhat graph.at n=6A317486
• Numbers k such that 457*2^k+1 is prime.at n=15A323198