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A095712
Triangle of numbers obtained by reversing the first n digits of 1/e and juxtaposing.
0
0, 3, 0, 6, 3, 0, 7, 6, 3, 0, 8, 7, 6, 3, 0, 7, 8, 7, 6, 3, 0, 9, 7, 8, 7, 6, 3, 0, 4, 9, 7, 8, 7, 6, 3, 0, 4, 4, 9, 7, 8, 7, 6, 3, 0, 1, 4, 4, 9, 7, 8, 7, 6, 3, 0, 1, 1, 4, 4, 9, 7, 8, 7, 6, 3, 0, 7, 1, 1, 4, 4, 9, 7, 8, 7, 6, 3, 0, 1, 7, 1, 1, 4, 4, 9, 7, 8, 7, 6, 3, 0, 4, 1, 7, 1, 1, 4, 4, 9, 7, 8, 7, 6, 3, 0
OFFSET
1,2
EXAMPLE
0; 3,0; 6,3,0; 7,6,3,0; 8,7,6,3,0;... (reverse order of 0; 0.3; 0.36; 0.367; 0.3678;...)
PROG
(PARI) a(n)=if(n<1, 0, default(realprecision, n+2); floor(exp(-1)*10^(n-1))%10); b(n)=1+binomial(1+floor(1/2+sqrt(2*n)), 2)-n; for(n=1, 120, print1(a(b(n)), ", ")
CROSSREFS
Cf. A068985.
Sequence in context: A113062 A259659 A005889 * A085753 A120008 A162197
KEYWORD
base,easy,nonn,tabl
AUTHOR
Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 07 2004
STATUS
approved