260470

Appears in sequences

• a(n) = a(n-1) + a(n-2) + n + 1, a(0) = a(1) = 1.at n=23A210677
• Unitary weird numbers (A064114) that are not weird numbers (A006037).at n=18A328562
• Infinitary weird numbers (A306984) whose number of divisors is not a power of 2.at n=17A335936
• Bi-unitary weird numbers (A292986) that are not exponentially odd numbers (A268335).at n=15A335939