43213

Appears in sequences

• Strong pseudoprimes to base 11.at n=10A020237
• Strong pseudoprimes to base 21.at n=17A020247
• Strong pseudoprimes to base 28.at n=18A020254
• Strong pseudoprimes to base 30.at n=23A020256
• Strong pseudoprimes to base 40.at n=26A020266
• Strong pseudoprimes to base 41.at n=18A020267
• Strong pseudoprimes to base 46.at n=29A020272
• Strong pseudoprimes to base 59.at n=30A020285
• n written in fractional base 5/4.at n=23A024634
• a(n) = sum of absolute values of coefficients of (1+x-x^2)^n.at n=13A084611
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, -1), (-1, 1, 1), (0, 1, 1), (1, -1, -1)}.at n=11A148263