A102718 a(n)=a(n-1)+(sum of the last two digits of the sequence so far); a(0)=0; a(1)=1 and a(n+1)<a(n).

0, 1, 2, 5, 12, 15, 21, 24, 30, 33, 39, 51, 57, 69, 84, 96, 111, 113, 117, 125, 132, 137, 147, 158, 171, 179, 195, 209, 218, 227, 236, 245, 254, 263, 272, 281, 290, 299, 317, 325, 332, 337, 374, 358, 371, 379, 395, 409, 418, 427, 436, 445, 454, 463, 472, 481