Table of Values of π4(10n)
Pattern 1: d = 0, 2, 6, 8
n Value Pattern 1 Who
2 2
3 5
4 12
5 38
6 166
7 899
8 4 768
9 28 388 Robert Hein (1995)
10 180 529 Robert Hein (1995)
11 1 209 318 Thomas R. Nicely (1999)
12 8 398 278 Thomas R. Nicely (1999)
13 60 070 590 Thomas R. Nicely (1999)
14 441 296 836 Thomas R. Nicely (1999)
15 3 314 576 487 Thomas R. Nicely (2001)
16 25 379 433 651 Thomas R. Nicely (2009)
17 197 622 677 481 Jonathan P. Sorenson & Jonathan Webster