1,2
D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.4.
Cf. A000085 (degree at most 1), A136281-A136286.
Sequence in context: A178169 A191572 A191573 * A139680 A153544 A153572
Adjacent sequences: A136280 A136281 A136282 * A136284 A136285 A136286
nonn,more
D. E. Knuth, Mar 31 2008