2, 3, 6, 9, 36, ?

41

2, 3, 6, 9, 36, ?

41

changed round?

2, 2.5, 4.5, 6.75

1, 3, 6.25, 15.625

348269, 284315, *****, 8438, 4811, 842, 86

212-223-242-526-272-829

303

because if we put together the numbers: 21-22-23-24-25-26-27-28-29 and the next are 30 and 31

23, 45, 89, 177, ?

353

(x*2-1)

100 365 24 60 ?

100 years in a century, 365 days in a year, 24 hours in a day, 60 minutes in an hour, & 60 seconds in a minute.

1, 2, 5, 26, ?

677

2, 4, 5, 10, 12, 24, 27, ?

54, 58

(x*2, +1, *2, +2, *2, +3, *2, +4)

3, 8, 15, 24, 35, ?

48

(x+5, +7, +9, +11, +13)

11, 19, 14, 22, 17, 25, ?

20, 28 (two series – every second number: 11, 14, 17, 20 and 19, 22, 25, 28)

7, 5, 8, 4, 9, 3, ?

10, 2 (two series – every second number: 7, 8, 9, 10 and 5, 4, 3, 2)

1, 3, 4, 7, 11, 18, ?

29

(a+b=c, b+c=d, c+d=e …)