A075543 a[n] = a[n-1] + digit sum(n) - 1.

2, 5, 9, 14, 20, 27, 35, 44, 45, 47, 50, 54, 59, 65, 72, 80, 89, 99, 101, 104, 108, 113, 119, 126, 134, 143, 153, 164, 167, 171, 176, 182, 189, 197, 206, 216, 227, 239, 243, 248, 254, 261, 269, 278, 288, 299, 311, 324, 329, 335, 342, 350, 359, 369, 380, 392

Offset

0,1

Links

Table of n, a(n) for n=0..55.

Example

2+3=5

Prog

(PARI) c=0; for (n=2, 100, c=c+sumdigits(n); print1(c, ", "))

Crossrefs

Sequence in context: A132296 A275586 A333449 * A132315 A079509 A132336

Adjacent sequences: A075540 A075541 A075542 * A075544 A075545 A075546

Keyword

nonn,base

Author

Jon Perry, Oct 11 2002

Status

approved