100206

Appears in sequences

• Largest number that is not the sum of four (2n+1)-gonal numbers.at n=12A118368
• Number of arrays of 6 nondecreasing integers in -n..n with sum zero and equal numbers greater than zero and less than zero.at n=21A203293
• Numbers <= 10^6 with valid Luhn mod 10 check digit, sorted lexicographically.at n=23A249854
• Expansion of 1 / sqrt((1-x)^6 - 4*x^3).at n=11A392643