22301

Appears in sequences

• Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 7.at n=23A051972
• a(n) = A075443(A075451(n)).at n=32A075452
• a(1)=1; then for n even, a(n)=(sum of previous terms times n) plus 1, for n odd, a(n)=(sum of previous terms times n) minus 1.at n=6A095237
• Volume of right circular cone (rounded down) with the diameter of base and height equal to n.at n=43A228189