A081987 a(n) = {A081982(n)+1}/d, where d is the product of nonzero digits of A081982(n).
12, 4, 102, 38, 44, 4, 106, 13, 104, 36, 6, 338, 511, 344, 177, 368, 601, 87, 102, 14, 434, 267, 30, 13, 123, 38, 334, 1006, 1056, 4, 1004, 168, 178, 1028, 56, 1002, 36, 1017, 49, 29, 128, 334, 6, 1014, 46, 478, 1677, 160, 3368, 10112, 1126, 5106, 852, 183, 114
Offset: 1
Examples
A081982(6) = 167 hence a(6) = 168/(1*6*7) = 4.
Extensions
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003