OFFSET
1,2
COMMENTS
Sequence of step 1: A000027, sequences of step 2: delete A000040 = primes, remaining A018252 = nonprimes, sequences of step 3: delete A099862 = {6, 9, 12, 15, 18, 21, 24, 26, 28, 32, ...}, remaining A175228 = {1, 4, 8, 10, 14, 16, 20, 22, 25, 27, ...}, sequences of step 4: delete A175229 = {10, 20, 27, 35, 44, 51, 58, 66, 75, 82, ...}, remaining A175230 = {1, 4, 8, 14, 16, 22, 25, 30, 33, 38, ...}, sequences of step 5: delete sequence = {25, 46, 64, 85, 102, 122, 140, 159, 176, 196, ...}, remaining sequence = {1, 4, 8, 14, 16, 22, 30, 33, 38, 40, ...}, ...
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Mar 07 2010
STATUS
approved