a(0) = 3; for n>0, break up decimal expansion of Pi into chunks of increasing lengths; leading zeros are not printed.
3, 1, 41, 592, 6535, 89793, 238462, 6433832, 79502884, 197169399, 3751058209
1 seqfan posts
Tue Jun 22 19:38:38 CEST 2010 [seqfan] Pi chunked to form a (self-describing) succession of odd and even terms