can you figure this pattern out if so continue in

@mavisbike (1526)
United States
November 27, 2006 7:13pm CST
1,5,13,29,61
7 responses
bikerxjake
@bikerxjake (242)
• United States
28 Nov 06
125, 253 and so on, you add four, then eight then sixteen...
1 person likes this
mavisbike
@mavisbike (1526)
• United States
28 Nov 06
yes but who knows the next #
muffy_092000
@muffy_092000 (379)
• Philippines
28 Nov 06
1 + 4 = 5 5 + 8 = 13 13+ 16=29 29+32=61 61+64=125 125+128=253 253+256=509 509+512=1021 1021+1024=2045
mavisbike
@mavisbike (1526)
• United States
28 Nov 06
ok good job i give u best responpse
mavisbike
@mavisbike (1526)
• United States
28 Nov 06
ok good job i give u best responpse
mvsrao
@mvsrao (4365)
• India
28 Nov 06
yes , it is correct series ...
mvsrao
@mvsrao (4365)
• India
28 Nov 06
1 , 5 , 13 , 29 , 61 , 125 , 253 ....
mavisbike
@mavisbike (1526)
• United States
28 Nov 06
yeah anybody know the next #?
EnlightenedPhoenix
@EnlightenedPhoenix (436)
• Serbia And Montenegro
28 Nov 06
Formula is (number X 2) + 3
mavisbike
@mavisbike (1526)
• United States
28 Nov 06
figure the next number
u_ibfriends
@u_ibfriends (489)
• India
28 Nov 06
122
u_ibfriends
@u_ibfriends (489)
• India
28 Nov 06
122
vibhor1986
@vibhor1986 (290)
• India
28 Nov 06
multiply by 2 then subtract 1 and then add 4