Sum of the numbers in the trajectory of n for the 3x+1 problem.

Terms

a(0) =1a(1) =3a(2) =49a(3) =7a(4) =36a(5) =55a(6) =288a(7) =15a(8) =339a(9) =46a(10) =259a(11) =67a(12) =119a(13) =302a(14) =694a(15) =31a(16) =214a(17) =357a(18) =519a(19) =66a(20) =148a(21) =281a(22) =633a(23) =91a(24) =658a(25) =145a(26) =101440a(27) =330a(28) =442a(29) =724