A259710 Describe previous term in binary, then convert to decimal (initial term is 0).
0, 2, 14, 30, 38, 918, 31190, 1261014, 1925823958, 66980978212310, 88736005061423513046, 284201453518322998760440446422, 21227119308677323964491588521405117134126550, 1978879038810329481388510354539283798664092126944649356922961366
Offset: 1
Examples
E.g., the term after 14 can be obtained by changing 14 to binary 1110_2, then describing in binary as three (11_2) ones and one (1) zero, concatenate these to make 11110_2, then convert back to decimal to obtain 30.
Links
- Kade Robertson, Table of n, a(n) for n = 1..21
Formula
a(n) = base-10(A049064(n)).
Extensions
Offset corrected by Jianing Song, Mar 16 2019