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A021815 as a simple table
| n | a(n) |
|---|---|
| 0 | 0 |
| -1 | 0 |
| -2 | 1 |
| -3 | 2 |
| -4 | 3 |
| -5 | 3 |
| -6 | 0 |
| -7 | 4 |
| -8 | 5 |
| -9 | 6 |
| -10 | 2 |
| -11 | 2 |
| -12 | 6 |
| -13 | 8 |
| -14 | 8 |
| -15 | 0 |
| -16 | 3 |
| -17 | 9 |
| -18 | 4 |
| -19 | 5 |
| -20 | 7 |
| -21 | 4 |
| -22 | 5 |
| -23 | 9 |
| -24 | 9 |
| -25 | 2 |
| -26 | 6 |
| -27 | 0 |
| -28 | 1 |
| -29 | 7 |
| -30 | 2 |
| -31 | 6 |
| -32 | 2 |
| -33 | 6 |
| -34 | 3 |
| -35 | 8 |
| -36 | 7 |
| -37 | 1 |
| -38 | 7 |
| -39 | 6 |
| -40 | 3 |
| -41 | 2 |
| -42 | 5 |
| -43 | 5 |
| -44 | 2 |
| -45 | 4 |
| -46 | 0 |
| -47 | 4 |
| -48 | 4 |
| -49 | 3 |
| -50 | 8 |
| -51 | 9 |
| -52 | 6 |
| -53 | 4 |
| -54 | 2 |
| -55 | 4 |
| -56 | 1 |
| -57 | 6 |
| -58 | 7 |
| -59 | 6 |
| -60 | 9 |
| -61 | 4 |
| -62 | 2 |
| -63 | 0 |
| -64 | 4 |
| -65 | 6 |
| -66 | 8 |
| -67 | 5 |
| -68 | 5 |
| -69 | 7 |
| -70 | 3 |
| -71 | 3 |
| -72 | 6 |
| -73 | 6 |
| -74 | 2 |
| -75 | 1 |
| -76 | 4 |
| -77 | 5 |
| -78 | 4 |
| -79 | 9 |
| -80 | 9 |
| -81 | 3 |
| -82 | 8 |
| -83 | 3 |
| -84 | 4 |
| -85 | 7 |
| -86 | 7 |
| -87 | 1 |
| -88 | 8 |
| -89 | 8 |
| -90 | 6 |
| -91 | 5 |
| -92 | 5 |
| -93 | 9 |
| -94 | 8 |
| -95 | 0 |
| -96 | 2 |
| -97 | 7 |
| -98 | 1 |
[0,0,1,2,3,3,0,4,5,6,2,2,6,8,8,0,3,9,4,5,7,4,5,9, 9,2,6,0,1,7,2,6,2,6,3,8,7,1,7,6,3,2,5,5,2,4,0,4,4, 3,8,9,6,4,2,4,1,6,7,6,9,4,2,0,4,6,8,5,5,7,3,3,6,6, 2,1,4,5,4,9,9,3,8,3,4,7,7,1,8,8,6,5,5,9,8,0,2,7,1] |